{"id": "c1180", "title": "C1180 — Cost the first block’s explanatory gains", "filename": "C1180.md", "role": "Research action", "step": 1180, "sha256": "e9793fd59b521108220b000831cb107b6311a19c0dc2a6b119c85ea8d11f76b6", "bytes": 1261, "origins": ["C480–C1634/Research_Cycles/C1132_C1431_Recovered/journal.json#C1180"], "download": "/sources/e9793fd59b521108220b000831cb107b6311a19c0dc2a6b119c85ea8d11f76b6.md", "format": "md", "derived": true, "tags": [], "excerpt": "Which results reduce a declared source model and which are consistency or new encodings?", "content": "# C1180 — Cost the first block’s explanatory gains\n\n## Question\n\nWhich results reduce a declared source model and which are consistency or new encodings?\n\n## Inputs\n\n```json\n{}\n```\n\n## Sources\n\n```json\n[\n  \"C1132–C1179\",\n  \"Strategy §§1,6\"\n]\n```\n\n## Opened utc\n\n2026-09-28T05:14:14.796722+00:00\n\n## Results\n\n```json\n{\n  \"first_block_cost_ledger\": {\n    \"path\": \"model/block1_explanation_cost_ledger.json\",\n    \"sha256\": \"b8f39e95f57c25b33b0f24a4fc1a0964f14851020f0058316f5ca5dd00fc2a21\",\n    \"bytes\": 1408\n  },\n  \"explanatory_families\": 8\n}\n```\n\n## Finding\n\nThe block advances the source-generation question through located threshold behavior and a complete row-operation grammar. It leaves inherited magnitudes and source roles visible, rejects rank-only scoring, and sets up a full-genealogy test.\n\n## Reassessment\n\nClose the50-action checkpoint, then reread every section of the Strategy before selecting C1182.\n\n## Checks\n\n```json\n{\n  \"eight_families\": true,\n  \"no_new_endpoint_search\": true,\n  \"cost_present\": true\n}\n```\n\n## Closed utc\n\n2026-09-28T05:14:14.797398+00:00\n\n## Record provenance\n\nExact record hash: `ddf1b2ce0bb6a0cb0939fcf8581f55a6a9ae1f50b0b3231290fba9fbb054d798`\n\nSource journal: `Research_Cycles/C1132_C1431_Recovered/journal.json`", "journalDownload": "/sources/6adb632ce171623c2bce60d7ed58ae319ccb379cf76b751c0a477c1742fd348c.json", "evidenceLinks": [{"id": "d-b8f39e95f57c25b3", "title": "model/block1_explanation_cost_ledger.json"}]}