{
  "package_slug": "rewarded_observation_32_solar_shadow_estimate",
  "title": "Rewarded Observation 32: Solar Shadow Estimate",
  "observation_id": "obs_03-19_16-21-03-807063",
  "rewarded_observation_sequence_index": 32,
  "rewarded_observation_count": 32,
  "summary": "A tutor prompt about a pen shadow in Kingston promotes a version that adds `vertical_shadow_length` and a `bic_crystal_pen` object with physical dimensions.",
  "observed_change": "The latest version fails because `vertical_shadow_length` is undefined. The promoted version computes a shadow length of about `55.47 cm`, matching the brief tutor reply.",
  "knowledge_change_summary": "This update adds `vertical_shadow_length` and a `bic_crystal_pen` object with the radius and height used by the new shadow-length computation.",
  "context": "In Kingston, Ontario, about four and a half hours after local solar noon on day 77 of a non\u2011leap year, about how long is the shadow of a vertically standing BIC Crystal pen on level ground? Reply briefly in cm.",
  "latest_version_id": "03-19T15-06-15-227478",
  "promoted_version_id": "03-19T15-50-07-090361",
  "latest_output": "Error: Computation failed: name 'vertical_shadow_length' is not defined",
  "updated_output": 55.47129530583954,
  "sensor_data": [
    "About 56 cm."
  ],
  "reward_metrics": {
    "rewarded_definitions": 866,
    "direct_rewarded_tokens": 137130,
    "distributed_total": 0.9999999999999988
  },
  "knowledge_versions": {
    "latest_before": {
      "version_id": "03-19T15-06-15-227478",
      "parent_version_id": "03-19T10-45-32-713268",
      "description": "Auto-branched for insert_node operation",
      "created_at": "03-19T15-06-15-227478",
      "last_modified": null,
      "edit_count": 4,
      "status": "historical",
      "index": null,
      "promotion_info": {
        "observation_def_id": "obs_03-19_15-32-44-582608",
        "promoted_at": "03-19T15-35-17-907651"
      },
      "historical_context": {
        "made_historical_at": "03-19T16-23-58-806737",
        "made_historical_by": "obs_03-19_16-21-03-807063",
        "former_status": "latest",
        "former_index": 0,
        "parent_latest_version": "03-19T15-06-15-227478",
        "sibling_versions": []
      },
      "dropped_obs": []
    },
    "promoted_after": {
      "version_id": "03-19T15-50-07-090361",
      "parent_version_id": "03-19T15-06-15-227478",
      "description": "Auto-branched for insert_node operation",
      "created_at": "03-19T15-50-07-090361",
      "last_modified": null,
      "edit_count": 4,
      "status": "latest",
      "index": 0,
      "promotion_info": {
        "observation_def_id": "obs_03-19_16-21-03-807063",
        "promoted_at": "03-19T16-23-58-806737"
      },
      "historical_context": null,
      "dropped_obs": []
    }
  },
  "files": {
    "observation_and_reward": {
      "ancestry_graph.json": "Archived ancestry graph for this observation, including node-level reward attribution and lineage.",
      "iterative_payout_trace.json.gz": "Gzip-compressed original recursive payout trace for this observation, including per-root payout steps, interface transfers, absorbing-group payouts, and terminal llm_output weights. This observation has 8311 payout steps and 866 terminal absorbing definitions.",
      "obs_03-19_16-21-03-807063.json": "Full observation record including prompt context, latest vs updated outputs, reward state, and loss evaluation.",
      "reward_root_slice.svg": "Legacy rewarded-root slice SVG for this observation."
    },
    "knowledge_files": {
      "change.diff": "Unified diff between the latest pre-observation version and the promoted version.",
      "kf_03-19T15-06-15-227478.py": "Latest knowledge version immediately before this observation.",
      "kf_03-19T15-50-07-090361.py": "Promoted knowledge version produced by this observation.",
      "versions.json": "Full knowledge version ledger."
    }
  }
}