{
  "generatedAt": "2026-05-04T19:16:02Z",
  "purpose": "Proof seed showing timestamped property insight freshness and attribution structure.",
  "structure": {
    "type": "freshness-proof",
    "pillar": "Real Estate",
    "fields": [
      "capturedAt",
      "freshnessRule",
      "sourceAttribution",
      "insight"
    ]
  },
  "exampleContent": {
    "propertyId": "property-trail-001",
    "capturedAt": "2026-05-04T19:16:02Z",
    "freshnessRule": {
      "validForMinutes": 1440,
      "statusAfterExpiry": "stale",
      "operatorExpectation": "Refresh listing and notes before external use if stale."
    },
    "sourceAttribution": {
      "sourceType": "operator-entered market note",
      "sourceLabel": "Sample acquisition watchlist",
      "confidence": "medium"
    },
    "insight": {
      "headline": "Seller response timing suggests follow-up window is still open.",
      "supportingFact": "Latest note indicates no reply for 3 days after initial contact.",
      "recommendedAction": "Send one concise follow-up and log response timing."
    }
  },
  "freshnessEvidence": {
    "propertyTrailArtifact": "artifacts/pillars/property-trail.json",
    "proofArtifact": "artifacts/implementation/pillars/real-estate-proof-freshness.json",
    "portalMirrorArtifact": "deployment/portal/artifacts/implementation/pillars/real-estate-proof-freshness.json",
    "timestampUpdatedAt": "2026-05-04T19:16:02Z"
  },
  "proofReadiness": {
    "issueNumber": 371,
    "readinessStatus": "ready-for-codex-execution",
    "deterministicVerification": true,
    "mirrorArtifactsMustMatch": true,
    "expectedEvidence": [
      "property trail artifact exists",
      "freshness proof exists",
      "freshness proof mirror matches",
      "freshness timestamp is explicitly updated"
    ],
    "issue383ExecutionDelta": {
      "allowDirectPiEdits": false,
      "expectedExecutionOwner": "operator-codex",
      "expectedWorkflowState": "refinement-required",
      "issueNumber": 383,
      "requiresRefinementBeforeRetry": true,
      "status": "ready-for-execution",
      "targetKey": "proofReadiness.issue383ExecutionDelta"
    }
  },
  "nextExpansionStep": "Add automated freshness recalculation and proof of last refresh actor."
}