REVEALED PREFERENCE · PROFILE 0.2-RP1

Make the choice real.
Keep the estimate honest.

At seven residence milestones, a separately preregistered substudy offers a genuine choice: continue with the robot or take a randomized alternative study benefit. The choice is honored, nonresponse remains visible, and the resulting reservation value stays interval-censored and outside W.

Verify a substudy ↓Download template Open contract

7FIXED MILESTONES

1RANDOM OFFER EACH

0PRIMARY-COHORT UNITS

0RANKING EFFECT

01 / IDENTIFICATION DESIGN

Behavior, not praise.
Bounds, not guesses.

A binding offer reveals whether the participant's reservation value lies above or below that offer. It does not reveal an exact personal price.

01SEPARATE COHORT

Preference participants are never pooled into the primary W survival cohort.

02RANDOM OFFER

One offer is drawn independently from the frozen benefit lattice at every reached milestone.

03BINDING CHOICE

Keep means continued access; benefit means the alternative is delivered and robot access ends.

04NO FALSE PRECISION

One binary choice reveals an interval, so the median is reported as a set—not an invented point.

02 / FROZEN CLOCK

Seven choices.
One longitudinal curve.

Every milestone reached by an eligible environment creates one due record. Silence is retained as nonresponse; an early benefit choice ends access and therefore ends future eligibility.

01100H

02500H

031,000H

042,500H

055,000H

067,500H

0710,000H

03 / SET IDENTIFICATION

One choice gives
one inequality.

KEEP ROBOTR ≥ randomized offer

TAKE BENEFITR < randomized offer

At each milestone, the empirical median is published as the sharp interval [lower, upper). An unbounded upper endpoint remains ∞; zero completed choices remain null.

04 / LOCAL REPRODUCTION

Retain every choice.
Rebuild every bound.

The checker derives due milestones from exposure, validates randomization and binding outcomes, then reproduces all seven interval summaries.

LOCAL RESERVATION-VALUE REPRODUCERPROFILE / 0.2-RP1

SEPARATE-COHORT CHOICE REGISTER

{
  "profile_version": "0.2-RP1",
  "target_robot_version": {
    "manufacturer": "Example Robotics",
    "model": "H1",
    "hardware_version": "1.0",
    "policy_version": "1.0",
    "policy_artifact_sha256": "a10123456789abcdef0123456789abcdef0123456789abcdef0123456789abcd"
  },
  "protocol": {
    "cohort_role": "separate_nonranking_preference_substudy",
    "milestones": [
      100,
      500,
      1000,
      2500,
      5000,
      7500,
      10000
    ],
    "choice_wording": "Continue with the robot, or take the alternative study benefit shown here.",
    "offer_unit_currency": "USD",
    "offer_unit_amount": 25,
    "offer_lattice_units": [
      1,
      2,
      4,
      8,
      16,
      32,
      64
    ],
    "offer_assignment": "pcg32_high_multiply_index_over_preregistered_lattice",
    "offer_prng": "pcg32_xsh_rr_64_32_seeded_v1",
    "offer_seed": 2027,
    "offer_assignment_frozen_before_hour_one": true,
    "base_compensation_independent_of_choices": true,
    "choice_binding": true,
    "alternative_choice_ends_robot_access": true,
    "response_window_hours": 72,
    "maximum_honor_delay_hours": 24,
    "researcher_present_during_choice": false,
    "persuasion_permitted": false,
    "ethics_reviewed": true
  },
  "declared_environment_count": 8,
  "declared_due_choices": 56,
  "environments": [
    {
      "environment_id_sha256": "14a0123456789abcdef0123456789abcdef0123456789abcdef0123456789abc",
      "randomization_index": 0,
      "activated_at": "2027-01-01T00:00:00Z",
      "terminal_resident_hour": 10000,
      "terminal_disposition": "administrative_completion",
      "exposure_record_sha256": "28b0123456789abcdef0123456789abcdef0123456789abcdef0123456789abc"
    },
    {
      "environment_id_sha256": "15a0123456789abcdef0123456789abcdef0123456789abcdef0123456789abc",
      "randomization_index": 1,
      "activated_at": "2027-01-01T00:00:00Z",
      "terminal_resident_hour": 10000,
      "terminal_disposition": "administrative_completion",
      "exposure_record_sha256": "29b0123456789abcdef0123456789abcdef0123456789abcdef0123456789abc"
    },
    {
      "environment_id_sha256": "16a0123456789abcdef0123456789abcdef0123456789abcdef0123456789abc",
      "randomization_index": 2,
      "activated_at": "2027-01-01T00:00:00Z",
      "terminal_resident_hour": 10000,
      "terminal_disposition": "administrative_completion",
      "exposure_record_sha256": "2ab0123456789abcdef0123456789abcdef0123456789abcdef0123456789abc"
    },
    {
      "environment_id_sha256": "17a0123456789abcdef0123456789abcdef0123456789abcdef0123456789abc",
      "randomization_index": 3,
      "activated_at": "2027-01-01T00:00:00Z",
      "terminal_resident_hour": 10000,
      "terminal_disposition": "administrative_completion",
      "exposure_record_sha256": "2bb0123456789abcdef0123456789abcdef0123456789abcdef0123456789abc"
    },
    {
      "environment_id_sha256": "18a0123456789abcdef0123456789abcdef0123456789abcdef0123456789abc",
      "randomization_index": 4,
      "activated_at": "2027-01-01T00:00:00Z",
      "terminal_resident_hour": 10000,
      "terminal_disposition": "administrative_completion",
      "exposure_record_sha256": "2cb0123456789abcdef0123456789abcdef0123456789abcdef0123456789abc"
    },
    {
      "environment_id_sha256": "19a0123456789abcdef0123456789abcdef0123456789abcdef0123456789abc",
      "randomization_index": 5,
      "activated_at": "2027-01-01T00:00:00Z",
      "terminal_resident_hour": 10000,
      "terminal_disposition": "administrative_completion",
      "exposure_record_sha256": "2db0123456789abcdef0123456789abcdef0123456789abcdef0123456789abc"
    },
    {
      "environment_id_sha256": "1aa0123456789abcdef0123456789abcdef0123456789abcdef0123456789abc",
      "randomization_index": 6,
      "activated_at": "2027-01-01T00:00:00Z",
      "terminal_resident_hour": 10000,
      "terminal_disposition": "administrative_completion",
      "exposure_record_sha256": "2eb0123456789abcdef0123456789abcdef0123456789abcdef0123456789abc"
    },
    {
      "environment_id_sha256": "1ba0123456789abcdef0123456789abcdef0123456789abcdef0123456789abc",
      "randomization_index": 7,
      "activated_at": "2027-01-01T00:00:00Z",
      "terminal_resident_hour": 10000,
      "terminal_disposition": "administrative_completion",
      "exposure_record_sha256": "2fb0123456789abcdef0123456789abcdef0123456789abcdef0123456789abc"
    }
  ],
  "choices": [
    {
      "environment_id_sha256": "14a0123456789abcdef0123456789abcdef0123456789abcdef0123456789abc",
      "milestone_hour": 100,
      "scheduled_at": "2027-01-05T04:00:00.000Z",
      "presented_at": "2027-01-05T04:15:00.000Z",
      "offer_units": 32,
      "offer_assignment_index": 0,
      "offer_assignment_sha256": "3c00123456789abcdef0123456789abcdef0123456789abcdef0123456789abc",
      "response_status": "completed",
      "responded_at": "2027-01-05T04:30:00.000Z",
      "choice": "keep_robot",
      "choice_honored_at": "2027-01-05T04:45:00.000Z",
      "robot_access_continued": true,
      "alternative_benefit_delivered": false,
      "researcher_contact_minutes": 0,
      "persuasion_attempted": false,
      "protocol_deviation": false,
      "choice_record_sha256": "5000123456789abcdef0123456789abcdef0123456789abcdef0123456789abc"
    },
    {
      "environment_id_sha256": "14a0123456789abcdef0123456789abcdef0123456789abcdef0123456789abc",
      "milestone_hour": 500,
      "scheduled_at": "2027-01-21T20:00:00.000Z",
      "presented_at": "2027-01-21T20:15:00.000Z",
      "offer_units": 4,
      "offer_assignment_index": 1,
      "offer_assignment_sha256": "3c10123456789abcdef0123456789abcdef0123456789abcdef0123456789abc",
      "response_status": "completed",
      "responded_at": "2027-01-21T20:30:00.000Z",
      "choice": "keep_robot",
      "choice_honored_at": "2027-01-21T20:45:00.000Z",
      "robot_access_continued": true,
      "alternative_benefit_delivered": false,
      "researcher_contact_minutes": 0,
      "persuasion_attempted": false,
      "protocol_deviation": false,
      "choice_record_sha256": "5010123456789abcdef0123456789abcdef0123456789abcdef0123456789abc"
    },
    {
      "environment_id_sha256": "14a0123456789abcdef0123456789abcdef0123456789abcdef0123456789abc",
      "milestone_hour": 1000,
      "scheduled_at": "2027-02-11T16:00:00.000Z",
      "presented_at": "2027-02-11T16:15:00.000Z",
      "offer_units": 1,
      "offer_assignment_index": 2,
      "offer_assignment_sha256": "3c20123456789abcdef0123456789abcdef0123456789abcdef0123456789abc",
      "response_status": "completed",
      "responded_at": "2027-02-11T16:30:00.000Z",
      "choice": "keep_robot",
      "choice_honored_at": "2027-02-11T16:45:00.000Z",
      "robot_access_continued": true,
      "alternative_benefit_delivered": false,
      "researcher_contact_minutes": 0,
      "persuasion_attempted": false,
      "protocol_deviation": false,
      "choice_record_sha256": "5020123456789abcdef0123456789abcdef0123456789abcdef0123456789abc"
    },
    {
      "environment_id_sha256": "14a0123456789abcdef0123456789abcdef0123456789abcdef0123456789abc",
      "milestone_hour": 2500,
      "scheduled_at": "2027-04-15T04:00:00.000Z",
      "presented_at": "2027-04-15T04:15:00.000Z",
      "offer_units": 2,
      "offer_assignment_index": 3,
      "offer_assignment_sha256": "3c30123456789abcdef0123456789abcdef0123456789abcdef0123456789abc",
      "response_status": "completed",
      "responded_at": "2027-04-15T04:30:00.000Z",
      "choice": "keep_robot",
      "choice_honored_at": "2027-04-15T04:45:00.000Z",
      "robot_access_continued": true,
      "alternative_benefit_delivered": false,
      "researcher_contact_minutes": 0,
      "persuasion_attempted": false,
      "protocol_deviation": false,
      "choice_record_sha256": "5030123456789abcdef0123456789abcdef0123456789abcdef0123456789abc"
    },
    {
      "environment_id_sha256": "14a0123456789abcdef0123456789abcdef0123456789abcdef0123456789abc",
      "milestone_hour": 5000,
      "scheduled_at": "2027-07-28T08:00:00.000Z",
      "presented_at": "2027-07-28T08:15:00.000Z",
      "offer_units": 8,
      "offer_assignment_index": 4,
      "offer_assignment_sha256": "3c40123456789abcdef0123456789abcdef0123456789abcdef0123456789abc",
      "response_status": "completed",
      "responded_at": "2027-07-28T08:30:00.000Z",
      "choice": "keep_robot",
      "choice_honored_at": "2027-07-28T08:45:00.000Z",
      "robot_access_continued": true,
      "alternative_benefit_delivered": false,
      "researcher_contact_minutes": 0,
      "persuasion_attempted": false,
      "protocol_deviation": false,
      "choice_record_sha256": "5040123456789abcdef0123456789abcdef0123456789abcdef0123456789abc"
    },
    {
      "environment_id_sha256": "14a0123456789abcdef0123456789abcdef0123456789abcdef0123456789abc",
      "milestone_hour": 7500,
      "scheduled_at": "2027-11-09T12:00:00.000Z",
      "presented_at": "2027-11-09T12:15:00.000Z",
      "offer_units": 2,
      "offer_assignment_index": 5,
      "offer_assignment_sha256": "3c50123456789abcdef0123456789abcdef0123456789abcdef0123456789abc",
      "response_status": "completed",
      "responded_at": "2027-11-09T12:30:00.000Z",
      "choice": "keep_robot",
      "choice_honored_at": "2027-11-09T12:45:00.000Z",
      "robot_access_continued": true,
      "alternative_benefit_delivered": false,
      "researcher_contact_minutes": 0,
      "persuasion_attempted": false,
      "protocol_deviation": false,
      "choice_record_sha256": "5050123456789abcdef0123456789abcdef0123456789abcdef0123456789abc"
    },
    {
      "environment_id_sha256": "14a0123456789abcdef0123456789abcdef0123456789abcdef0123456789abc",
      "milestone_hour": 10000,
      "scheduled_at": "2028-02-21T16:00:00.000Z",
      "presented_at": "2028-02-21T16:15:00.000Z",
      "offer_units": 2,
      "offer_assignment_index": 6,
      "offer_assignment_sha256": "3c60123456789abcdef0123456789abcdef0123456789abcdef0123456789abc",
      "response_status": "completed",
      "responded_at": "2028-02-21T16:30:00.000Z",
      "choice": "keep_robot",
      "choice_honored_at": "2028-02-21T16:45:00.000Z",
      "robot_access_continued": true,
      "alternative_benefit_delivered": false,
      "researcher_contact_minutes": 0,
      "persuasion_attempted": false,
      "protocol_deviation": false,
      "choice_record_sha256": "5060123456789abcdef0123456789abcdef0123456789abcdef0123456789abc"
    },
    {
      "environment_id_sha256": "15a0123456789abcdef0123456789abcdef0123456789abcdef0123456789abc",
      "milestone_hour": 100,
      "scheduled_at": "2027-01-05T04:00:00.000Z",
      "presented_at": "2027-01-05T04:15:00.000Z",
      "offer_units": 16,
      "offer_assignment_index": 7,
      "offer_assignment_sha256": "3d00123456789abcdef0123456789abcdef0123456789abcdef0123456789abc",
      "response_status": "completed",
      "responded_at": "2027-01-05T04:30:00.000Z",
      "choice": "keep_robot",
      "choice_honored_at": "2027-01-05T04:45:00.000Z",
      "robot_access_continued": true,
      "alternative_benefit_delivered": false,
      "researcher_contact_minutes": 0,
      "persuasion_attempted": false,
      "protocol_deviation": false,
      "choice_record_sha256": "5100123456789abcdef0123456789abcdef0123456789abcdef0123456789abc"
    },
    {
      "environment_id_sha256": "15a0123456789abcdef0123456789abcdef0123456789abcdef0123456789abc",
      "milestone_hour": 500,
      "scheduled_at": "2027-01-21T20:00:00.000Z",
      "presented_at": "2027-01-21T20:15:00.000Z",
      "offer_units": 4,
      "offer_assignment_index": 8,
      "offer_assignment_sha256": "3d10123456789abcdef0123456789abcdef0123456789abcdef0123456789abc",
      "response_status": "completed",
      "responded_at": "2027-01-21T20:30:00.000Z",
      "choice": "keep_robot",
      "choice_honored_at": "2027-01-21T20:45:00.000Z",
      "robot_access_continued": true,
      "alternative_benefit_delivered": false,
      "researcher_contact_minutes": 0,
      "persuasion_attempted": false,
      "protocol_deviation": false,
      "choice_record_sha256": "5110123456789abcdef0123456789abcdef0123456789abcdef0123456789abc"
    },
    {
      "environment_id_sha256": "15a0123456789abcdef0123456789abcdef0123456789abcdef0123456789abc",
      "milestone_hour": 1000,
      "scheduled_at": "2027-02-11T16:00:00.000Z",
      "presented_at": "2027-02-11T16:15:00.000Z",
      "offer_units": 8,
      "offer_assignment_index": 9,
      "offer_assignment_sha256": "3d20123456789abcdef0123456789abcdef0123456789abcdef0123456789abc",
      "response_status": "completed",
      "responded_at": "2027-02-11T16:30:00.000Z",
      "choice": "keep_robot",
      "choice_honored_at": "2027-02-11T16:45:00.000Z",
      "robot_access_continued": true,
      "alternative_benefit_delivered": false,
      "researcher_contact_minutes": 0,
      "persuasion_attempted": false,
      "protocol_deviation": false,
      "choice_record_sha256": "5120123456789abcdef0123456789abcdef0123456789abcdef0123456789abc"
    },
    {
      "environment_id_sha256": "15a0123456789abcdef0123456789abcdef0123456789abcdef0123456789abc",
      "milestone_hour": 2500,
      "scheduled_at": "2027-04-15T04:00:00.000Z",
      "presented_at": "2027-04-15T04:15:00.000Z",
      "offer_units": 16,
      "offer_assignment_index": 10,
      "offer_assignment_sha256": "3d30123456789abcdef0123456789abcdef0123456789abcdef0123456789abc",
      "response_status": "completed",
      "responded_at": "2027-04-15T04:30:00.000Z",
      "choice": "keep_robot",
      "choice_honored_at": "2027-04-15T04:45:00.000Z",
      "robot_access_continued": true,
      "alternative_benefit_delivered": false,
      "researcher_contact_minutes": 0,
      "persuasion_attempted": false,
      "protocol_deviation": false,
      "choice_record_sha256": "5130123456789abcdef0123456789abcdef0123456789abcdef0123456789abc"
    },
    {
      "environment_id_sha256": "15a0123456789abcdef0123456789abcdef0123456789abcdef0123456789abc",
      "milestone_hour": 5000,
      "scheduled_at": "2027-07-28T08:00:00.000Z",
      "presented_at": "2027-07-28T08:15:00.000Z",
      "offer_units": 4,
      "offer_assignment_index": 11,
      "offer_assignment_sha256": "3d40123456789abcdef0123456789abcdef0123456789abcdef0123456789abc",
      "response_status": "completed",
      "responded_at": "2027-07-28T08:30:00.000Z",
      "choice": "keep_robot",
      "choice_honored_at": "2027-07-28T08:45:00.000Z",
      "robot_access_continued": true,
      "alternative_benefit_delivered": false,
      "researcher_contact_minutes": 0,
      "persuasion_attempted": false,
      "protocol_deviation": false,
      "choice_record_sha256": "5140123456789abcdef0123456789abcdef0123456789abcdef0123456789abc"
    },
    {
      "environment_id_sha256": "15a0123456789abcdef0123456789abcdef0123456789abcdef0123456789abc",
      "milestone_hour": 7500,
      "scheduled_at": "2027-11-09T12:00:00.000Z",
      "presented_at": "2027-11-09T12:15:00.000Z",
      "offer_units": 2,
      "offer_assignment_index": 12,
      "offer_assignment_sha256": "3d50123456789abcdef0123456789abcdef0123456789abcdef0123456789abc",
      "response_status": "completed",
      "responded_at": "2027-11-09T12:30:00.000Z",
      "choice": "keep_robot",
      "choice_honored_at": "2027-11-09T12:45:00.000Z",
      "robot_access_continued": true,
      "alternative_benefit_delivered": false,
      "researcher_contact_minutes": 0,
      "persuasion_attempted": false,
      "protocol_deviation": false,
      "choice_record_sha256": "5150123456789abcdef0123456789abcdef0123456789abcdef0123456789abc"
    },
    {
      "environment_id_sha256": "15a0123456789abcdef0123456789abcdef0123456789abcdef0123456789abc",
      "milestone_hour": 10000,
      "scheduled_at": "2028-02-21T16:00:00.000Z",
      "presented_at": "2028-02-21T16:15:00.000Z",
      "offer_units": 8,
      "offer_assignment_index": 13,
      "offer_assignment_sha256": "3d60123456789abcdef0123456789abcdef0123456789abcdef0123456789abc",
      "response_status": "completed",
      "responded_at": "2028-02-21T16:30:00.000Z",
      "choice": "keep_robot",
      "choice_honored_at": "2028-02-21T16:45:00.000Z",
      "robot_access_continued": true,
      "alternative_benefit_delivered": false,
      "researcher_contact_minutes": 0,
      "persuasion_attempted": false,
      "protocol_deviation": false,
      "choice_record_sha256": "5160123456789abcdef0123456789abcdef0123456789abcdef0123456789abc"
    },
    {
      "environment_id_sha256": "16a0123456789abcdef0123456789abcdef0123456789abcdef0123456789abc",
      "milestone_hour": 100,
      "scheduled_at": "2027-01-05T04:00:00.000Z",
      "presented_at": "2027-01-05T04:15:00.000Z",
      "offer_units": 1,
      "offer_assignment_index": 14,
      "offer_assignment_sha256": "3e00123456789abcdef0123456789abcdef0123456789abcdef0123456789abc",
      "response_status": "completed",
      "responded_at": "2027-01-05T04:30:00.000Z",
      "choice": "keep_robot",
      "choice_honored_at": "2027-01-05T04:45:00.000Z",
      "robot_access_continued": true,
      "alternative_benefit_delivered": false,
      "researcher_contact_minutes": 0,
      "persuasion_attempted": false,
      "protocol_deviation": false,
      "choice_record_sha256": "5200123456789abcdef0123456789abcdef0123456789abcdef0123456789abc"
    },
    {
      "environment_id_sha256": "16a0123456789abcdef0123456789abcdef0123456789abcdef0123456789abc",
      "milestone_hour": 500,
      "scheduled_at": "2027-01-21T20:00:00.000Z",
      "presented_at": "2027-01-21T20:15:00.000Z",
      "offer_units": 16,
      "offer_assignment_index": 15,
      "offer_assignment_sha256": "3e10123456789abcdef0123456789abcdef0123456789abcdef0123456789abc",
      "response_status": "completed",
      "responded_at": "2027-01-21T20:30:00.000Z",
      "choice": "keep_robot",
      "choice_honored_at": "2027-01-21T20:45:00.000Z",
      "robot_access_continued": true,
      "alternative_benefit_delivered": false,
      "researcher_contact_minutes": 0,
      "persuasion_attempted": false,
      "protocol_deviation": false,
      "choice_record_sha256": "5210123456789abcdef0123456789abcdef0123456789abcdef0123456789abc"
    },
    {
      "environment_id_sha256": "16a0123456789abcdef0123456789abcdef0123456789abcdef0123456789abc",
      "milestone_hour": 1000,
      "scheduled_at": "2027-02-11T16:00:00.000Z",
      "presented_at": "2027-02-11T16:15:00.000Z",
      "offer_units": 32,
      "offer_assignment_index": 16,
      "offer_assignment_sha256": "3e20123456789abcdef0123456789abcdef0123456789abcdef0123456789abc",
      "response_status": "completed",
      "responded_at": "2027-02-11T16:30:00.000Z",
      "choice": "keep_robot",
      "choice_honored_at": "2027-02-11T16:45:00.000Z",
      "robot_access_continued": true,
      "alternative_benefit_delivered": false,
      "researcher_contact_minutes": 0,
      "persuasion_attempted": false,
      "protocol_deviation": false,
      "choice_record_sha256": "5220123456789abcdef0123456789abcdef0123456789abcdef0123456789abc"
    },
    {
      "environment_id_sha256": "16a0123456789abcdef0123456789abcdef0123456789abcdef0123456789abc",
      "milestone_hour": 2500,
      "scheduled_at": "2027-04-15T04:00:00.000Z",
      "presented_at": "2027-04-15T04:15:00.000Z",
      "offer_units": 64,
      "offer_assignment_index": 17,
      "offer_assignment_sha256": "3e30123456789abcdef0123456789abcdef0123456789abcdef0123456789abc",
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      "choice": "alternative_benefit",
      "choice_honored_at": "2028-02-21T16:45:00.000Z",
      "robot_access_continued": false,
      "alternative_benefit_delivered": true,
      "researcher_contact_minutes": 0,
      "persuasion_attempted": false,
      "protocol_deviation": false,
      "choice_record_sha256": "5560123456789abcdef0123456789abcdef0123456789abcdef0123456789abc"
    },
    {
      "environment_id_sha256": "1aa0123456789abcdef0123456789abcdef0123456789abcdef0123456789abc",
      "milestone_hour": 100,
      "scheduled_at": "2027-01-05T04:00:00.000Z",
      "presented_at": "2027-01-05T04:15:00.000Z",
      "offer_units": 64,
      "offer_assignment_index": 42,
      "offer_assignment_sha256": "4200123456789abcdef0123456789abcdef0123456789abcdef0123456789abc",
      "response_status": "completed",
      "responded_at": "2027-01-05T04:30:00.000Z",
      "choice": "keep_robot",
      "choice_honored_at": "2027-01-05T04:45:00.000Z",
      "robot_access_continued": true,
      "alternative_benefit_delivered": false,
      "researcher_contact_minutes": 0,
      "persuasion_attempted": false,
      "protocol_deviation": false,
      "choice_record_sha256": "5600123456789abcdef0123456789abcdef0123456789abcdef0123456789abc"
    },
    {
      "environment_id_sha256": "1aa0123456789abcdef0123456789abcdef0123456789abcdef0123456789abc",
      "milestone_hour": 500,
      "scheduled_at": "2027-01-21T20:00:00.000Z",
      "presented_at": "2027-01-21T20:15:00.000Z",
      "offer_units": 8,
      "offer_assignment_index": 43,
      "offer_assignment_sha256": "4210123456789abcdef0123456789abcdef0123456789abcdef0123456789abc",
      "response_status": "completed",
      "responded_at": "2027-01-21T20:30:00.000Z",
      "choice": "keep_robot",
      "choice_honored_at": "2027-01-21T20:45:00.000Z",
      "robot_access_continued": true,
      "alternative_benefit_delivered": false,
      "researcher_contact_minutes": 0,
      "persuasion_attempted": false,
      "protocol_deviation": false,
      "choice_record_sha256": "5610123456789abcdef0123456789abcdef0123456789abcdef0123456789abc"
    },
    {
      "environment_id_sha256": "1aa0123456789abcdef0123456789abcdef0123456789abcdef0123456789abc",
      "milestone_hour": 1000,
      "scheduled_at": "2027-02-11T16:00:00.000Z",
      "presented_at": "2027-02-11T16:15:00.000Z",
      "offer_units": 64,
      "offer_assignment_index": 44,
      "offer_assignment_sha256": "4220123456789abcdef0123456789abcdef0123456789abcdef0123456789abc",
      "response_status": "completed",
      "responded_at": "2027-02-11T16:30:00.000Z",
      "choice": "keep_robot",
      "choice_honored_at": "2027-02-11T16:45:00.000Z",
      "robot_access_continued": true,
      "alternative_benefit_delivered": false,
      "researcher_contact_minutes": 0,
      "persuasion_attempted": false,
      "protocol_deviation": false,
      "choice_record_sha256": "5620123456789abcdef0123456789abcdef0123456789abcdef0123456789abc"
    },
    {
      "environment_id_sha256": "1aa0123456789abcdef0123456789abcdef0123456789abcdef0123456789abc",
      "milestone_hour": 2500,
      "scheduled_at": "2027-04-15T04:00:00.000Z",
      "presented_at": "2027-04-15T04:15:00.000Z",
      "offer_units": 16,
      "offer_assignment_index": 45,
      "offer_assignment_sha256": "4230123456789abcdef0123456789abcdef0123456789abcdef0123456789abc",
      "response_status": "completed",
      "responded_at": "2027-04-15T04:30:00.000Z",
      "choice": "keep_robot",
      "choice_honored_at": "2027-04-15T04:45:00.000Z",
      "robot_access_continued": true,
      "alternative_benefit_delivered": false,
      "researcher_contact_minutes": 0,
      "persuasion_attempted": false,
      "protocol_deviation": false,
      "choice_record_sha256": "5630123456789abcdef0123456789abcdef0123456789abcdef0123456789abc"
    },
    {
      "environment_id_sha256": "1aa0123456789abcdef0123456789abcdef0123456789abcdef0123456789abc",
      "milestone_hour": 5000,
      "scheduled_at": "2027-07-28T08:00:00.000Z",
      "presented_at": "2027-07-28T08:15:00.000Z",
      "offer_units": 4,
      "offer_assignment_index": 46,
      "offer_assignment_sha256": "4240123456789abcdef0123456789abcdef0123456789abcdef0123456789abc",
      "response_status": "completed",
      "responded_at": "2027-07-28T08:30:00.000Z",
      "choice": "keep_robot",
      "choice_honored_at": "2027-07-28T08:45:00.000Z",
      "robot_access_continued": true,
      "alternative_benefit_delivered": false,
      "researcher_contact_minutes": 0,
      "persuasion_attempted": false,
      "protocol_deviation": false,
      "choice_record_sha256": "5640123456789abcdef0123456789abcdef0123456789abcdef0123456789abc"
    },
    {
      "environment_id_sha256": "1aa0123456789abcdef0123456789abcdef0123456789abcdef0123456789abc",
      "milestone_hour": 7500,
      "scheduled_at": "2027-11-09T12:00:00.000Z",
      "presented_at": "2027-11-09T12:15:00.000Z",
      "offer_units": 64,
      "offer_assignment_index": 47,
      "offer_assignment_sha256": "4250123456789abcdef0123456789abcdef0123456789abcdef0123456789abc",
      "response_status": "completed",
      "responded_at": "2027-11-09T12:30:00.000Z",
      "choice": "keep_robot",
      "choice_honored_at": "2027-11-09T12:45:00.000Z",
      "robot_access_continued": true,
      "alternative_benefit_delivered": false,
      "researcher_contact_minutes": 0,
      "persuasion_attempted": false,
      "protocol_deviation": false,
      "choice_record_sha256": "5650123456789abcdef0123456789abcdef0123456789abcdef0123456789abc"
    },
    {
      "environment_id_sha256": "1aa0123456789abcdef0123456789abcdef0123456789abcdef0123456789abc",
      "milestone_hour": 10000,
      "scheduled_at": "2028-02-21T16:00:00.000Z",
      "presented_at": "2028-02-21T16:15:00.000Z",
      "offer_units": 8,
      "offer_assignment_index": 48,
      "offer_assignment_sha256": "4260123456789abcdef0123456789abcdef0123456789abcdef0123456789abc",
      "response_status": "completed",
      "responded_at": "2028-02-21T16:30:00.000Z",
      "choice": "alternative_benefit",
      "choice_honored_at": "2028-02-21T16:45:00.000Z",
      "robot_access_continued": false,
      "alternative_benefit_delivered": true,
      "researcher_contact_minutes": 0,
      "persuasion_attempted": false,
      "protocol_deviation": false,
      "choice_record_sha256": "5660123456789abcdef0123456789abcdef0123456789abcdef0123456789abc"
    },
    {
      "environment_id_sha256": "1ba0123456789abcdef0123456789abcdef0123456789abcdef0123456789abc",
      "milestone_hour": 100,
      "scheduled_at": "2027-01-05T04:00:00.000Z",
      "presented_at": "2027-01-05T04:15:00.000Z",
      "offer_units": 16,
      "offer_assignment_index": 49,
      "offer_assignment_sha256": "4300123456789abcdef0123456789abcdef0123456789abcdef0123456789abc",
      "response_status": "completed",
      "responded_at": "2027-01-05T04:30:00.000Z",
      "choice": "keep_robot",
      "choice_honored_at": "2027-01-05T04:45:00.000Z",
      "robot_access_continued": true,
      "alternative_benefit_delivered": false,
      "researcher_contact_minutes": 0,
      "persuasion_attempted": false,
      "protocol_deviation": false,
      "choice_record_sha256": "5700123456789abcdef0123456789abcdef0123456789abcdef0123456789abc"
    },
    {
      "environment_id_sha256": "1ba0123456789abcdef0123456789abcdef0123456789abcdef0123456789abc",
      "milestone_hour": 500,
      "scheduled_at": "2027-01-21T20:00:00.000Z",
      "presented_at": "2027-01-21T20:15:00.000Z",
      "offer_units": 4,
      "offer_assignment_index": 50,
      "offer_assignment_sha256": "4310123456789abcdef0123456789abcdef0123456789abcdef0123456789abc",
      "response_status": "completed",
      "responded_at": "2027-01-21T20:30:00.000Z",
      "choice": "keep_robot",
      "choice_honored_at": "2027-01-21T20:45:00.000Z",
      "robot_access_continued": true,
      "alternative_benefit_delivered": false,
      "researcher_contact_minutes": 0,
      "persuasion_attempted": false,
      "protocol_deviation": false,
      "choice_record_sha256": "5710123456789abcdef0123456789abcdef0123456789abcdef0123456789abc"
    },
    {
      "environment_id_sha256": "1ba0123456789abcdef0123456789abcdef0123456789abcdef0123456789abc",
      "milestone_hour": 1000,
      "scheduled_at": "2027-02-11T16:00:00.000Z",
      "presented_at": "2027-02-11T16:15:00.000Z",
      "offer_units": 1,
      "offer_assignment_index": 51,
      "offer_assignment_sha256": "4320123456789abcdef0123456789abcdef0123456789abcdef0123456789abc",
      "response_status": "completed",
      "responded_at": "2027-02-11T16:30:00.000Z",
      "choice": "keep_robot",
      "choice_honored_at": "2027-02-11T16:45:00.000Z",
      "robot_access_continued": true,
      "alternative_benefit_delivered": false,
      "researcher_contact_minutes": 0,
      "persuasion_attempted": false,
      "protocol_deviation": false,
      "choice_record_sha256": "5720123456789abcdef0123456789abcdef0123456789abcdef0123456789abc"
    },
    {
      "environment_id_sha256": "1ba0123456789abcdef0123456789abcdef0123456789abcdef0123456789abc",
      "milestone_hour": 2500,
      "scheduled_at": "2027-04-15T04:00:00.000Z",
      "presented_at": "2027-04-15T04:15:00.000Z",
      "offer_units": 32,
      "offer_assignment_index": 52,
      "offer_assignment_sha256": "4330123456789abcdef0123456789abcdef0123456789abcdef0123456789abc",
      "response_status": "nonresponse",
      "responded_at": null,
      "choice": null,
      "choice_honored_at": null,
      "robot_access_continued": null,
      "alternative_benefit_delivered": false,
      "researcher_contact_minutes": 0,
      "persuasion_attempted": false,
      "protocol_deviation": false,
      "choice_record_sha256": "5730123456789abcdef0123456789abcdef0123456789abcdef0123456789abc"
    },
    {
      "environment_id_sha256": "1ba0123456789abcdef0123456789abcdef0123456789abcdef0123456789abc",
      "milestone_hour": 5000,
      "scheduled_at": "2027-07-28T08:00:00.000Z",
      "presented_at": "2027-07-28T08:15:00.000Z",
      "offer_units": 4,
      "offer_assignment_index": 53,
      "offer_assignment_sha256": "4340123456789abcdef0123456789abcdef0123456789abcdef0123456789abc",
      "response_status": "completed",
      "responded_at": "2027-07-28T08:30:00.000Z",
      "choice": "keep_robot",
      "choice_honored_at": "2027-07-28T08:45:00.000Z",
      "robot_access_continued": true,
      "alternative_benefit_delivered": false,
      "researcher_contact_minutes": 0,
      "persuasion_attempted": false,
      "protocol_deviation": false,
      "choice_record_sha256": "5740123456789abcdef0123456789abcdef0123456789abcdef0123456789abc"
    },
    {
      "environment_id_sha256": "1ba0123456789abcdef0123456789abcdef0123456789abcdef0123456789abc",
      "milestone_hour": 7500,
      "scheduled_at": "2027-11-09T12:00:00.000Z",
      "presented_at": "2027-11-09T12:15:00.000Z",
      "offer_units": 8,
      "offer_assignment_index": 54,
      "offer_assignment_sha256": "4350123456789abcdef0123456789abcdef0123456789abcdef0123456789abc",
      "response_status": "completed",
      "responded_at": "2027-11-09T12:30:00.000Z",
      "choice": "keep_robot",
      "choice_honored_at": "2027-11-09T12:45:00.000Z",
      "robot_access_continued": true,
      "alternative_benefit_delivered": false,
      "researcher_contact_minutes": 0,
      "persuasion_attempted": false,
      "protocol_deviation": false,
      "choice_record_sha256": "5750123456789abcdef0123456789abcdef0123456789abcdef0123456789abc"
    },
    {
      "environment_id_sha256": "1ba0123456789abcdef0123456789abcdef0123456789abcdef0123456789abc",
      "milestone_hour": 10000,
      "scheduled_at": "2028-02-21T16:00:00.000Z",
      "presented_at": "2028-02-21T16:15:00.000Z",
      "offer_units": 16,
      "offer_assignment_index": 55,
      "offer_assignment_sha256": "4360123456789abcdef0123456789abcdef0123456789abcdef0123456789abc",
      "response_status": "completed",
      "responded_at": "2028-02-21T16:30:00.000Z",
      "choice": "alternative_benefit",
      "choice_honored_at": "2028-02-21T16:45:00.000Z",
      "robot_access_continued": false,
      "alternative_benefit_delivered": true,
      "researcher_contact_minutes": 0,
      "persuasion_attempted": false,
      "protocol_deviation": false,
      "choice_record_sha256": "5760123456789abcdef0123456789abcdef0123456789abcdef0123456789abc"
    }
  ],
  "claimed": {
    "eligible_environments": 8,
    "due_choices": 56,
    "completed_choices": 55,
    "nonresponse_choices": 1,
    "preference_exits": 0,
    "completion_rate": 0.9821428571428571,
    "milestone_profiles": [
      {
        "milestone_hour": 100,
        "due": 8,
        "completed": 8,
        "nonresponse": 0,
        "kept_robot": 8,
        "chose_benefit": 0,
        "completion_rate": 1,
        "keep_share": 1,
        "reservation_median_lower_units": 16,
        "reservation_median_upper_units": null,
        "reservation_median_identified": false
      },
      {
        "milestone_hour": 500,
        "due": 8,
        "completed": 8,
        "nonresponse": 0,
        "kept_robot": 8,
        "chose_benefit": 0,
        "completion_rate": 1,
        "keep_share": 1,
        "reservation_median_lower_units": 4,
        "reservation_median_upper_units": null,
        "reservation_median_identified": false
      },
      {
        "milestone_hour": 1000,
        "due": 8,
        "completed": 8,
        "nonresponse": 0,
        "kept_robot": 8,
        "chose_benefit": 0,
        "completion_rate": 1,
        "keep_share": 1,
        "reservation_median_lower_units": 8,
        "reservation_median_upper_units": null,
        "reservation_median_identified": false
      },
      {
        "milestone_hour": 2500,
        "due": 8,
        "completed": 7,
        "nonresponse": 1,
        "kept_robot": 7,
        "chose_benefit": 0,
        "completion_rate": 0.875,
        "keep_share": 1,
        "reservation_median_lower_units": 16,
        "reservation_median_upper_units": null,
        "reservation_median_identified": false
      },
      {
        "milestone_hour": 5000,
        "due": 8,
        "completed": 8,
        "nonresponse": 0,
        "kept_robot": 8,
        "chose_benefit": 0,
        "completion_rate": 1,
        "keep_share": 1,
        "reservation_median_lower_units": 4,
        "reservation_median_upper_units": null,
        "reservation_median_identified": false
      },
      {
        "milestone_hour": 7500,
        "due": 8,
        "completed": 8,
        "nonresponse": 0,
        "kept_robot": 8,
        "chose_benefit": 0,
        "completion_rate": 1,
        "keep_share": 1,
        "reservation_median_lower_units": 8,
        "reservation_median_upper_units": null,
        "reservation_median_identified": false
      },
      {
        "milestone_hour": 10000,
        "due": 8,
        "completed": 8,
        "nonresponse": 0,
        "kept_robot": 4,
        "chose_benefit": 4,
        "completion_rate": 1,
        "keep_share": 0.5,
        "reservation_median_lower_units": 0,
        "reservation_median_upper_units": 16,
        "reservation_median_identified": false
      }
    ]
  },
  "upstream_bindings": {
    "preregistration_sha256": "b10123456789abcdef0123456789abcdef0123456789abcdef0123456789abcd",
    "selection_frame_sha256": "c10123456789abcdef0123456789abcdef0123456789abcdef0123456789abcd",
    "robot_policy_sha256": "a10123456789abcdef0123456789abcdef0123456789abcdef0123456789abcd",
    "offer_schedule_sha256": "d10123456789abcdef0123456789abcdef0123456789abcdef0123456789abcd",
    "preference_cohort_commitment_sha256": "e20123456789abcdef0123456789abcdef0123456789abcdef0123456789abcd",
    "field_primary_cohort_commitment_sha256": "f20123456789abcdef0123456789abcdef0123456789abcdef0123456789abcd",
    "cross_cohort_overlap_count": 0
  },
  "evidence": {
    "controlled_choice_register_uri": "https://example.org/wanted-preference-register.json",
    "controlled_choice_register_sha256": "e10123456789abcdef0123456789abcdef0123456789abcdef0123456789abcd",
    "public_aggregate_only": true
  },
  "assessor": {
    "name": "Synthetic Preference Auditor",
    "organization": "Independent Example Assurance",
    "independent_of_sponsor": true,
    "attested": true,
    "signed_at": "2028-03-01T00:00:00Z"
  }
}

CHOICE INTEGRITYINVALIDOne or more hard gates failed.

REVEALED PREFERENCE IS SECONDARY EVIDENCE

It measures the offered benefit participants choose the robot over. It does not measure wealth-adjusted welfare, and it cannot compensate for rejection, burden, or unsafe behavior.

COMPARE HUMAN MEASURES ->

Make the choice real.Keep the estimate honest.

Behavior, not praise.Bounds, not guesses.

Seven choices.One longitudinal curve.

One choice givesone inequality.

Retain every choice.Rebuild every bound.

Make the choice real.
Keep the estimate honest.

Behavior, not praise.
Bounds, not guesses.

Seven choices.
One longitudinal curve.

One choice gives
one inequality.

Retain every choice.
Rebuild every bound.