{
  "schema_version": "1.0",
  "pipeline": {
    "name": "Blind Evaluation Pipeline",
    "version": "1.0"
  },
  "experiment": {
    "id": "UNI-EXP-{{NNN}}",
    "variant": null,
    "round": 1,
    "title": "{{TITLE}}",
    "source_observation_id": "{{LANGUAGE_BOOK_OR_HYPOTHESIS_ID}}",
    "registered_at_utc": "{{YYYY-MM-DDTHH:MM:SSZ}}",
    "registered_by": "{{NAME_OR_STABLE_ID}}",
    "status": "DRAFT",
    "withdrawn": false,
    "supersedes": null
  },
  "authority_roles": {
    "preregistration_freeze": "{{AUTHORITY}}",
    "annotation_freeze": "{{AUTHORITY}}",
    "blinded_quality_review": "{{AUTHORITY}}",
    "authorized_unblinding": "{{AUTHORITY}}",
    "final_classification": "{{AUTHORITY}}",
    "public_release_review": "{{AUTHORITY}}"
  },
  "artifact_versions": {},
  "notes": "Identifiers are permanent and never reused. Amendments append new artifacts; they do not overwrite frozen ones."
}