{"id": "c1214", "title": "C1214 — Compute the Rounded common-row change field", "filename": "C1214.md", "role": "Research action", "step": 1214, "sha256": "04a69b0e81323cec5371989afbc0ae8fdeadb6ee563a39af6a09df41c61bea37", "bytes": 1139, "origins": ["C480–C1634/Research_Cycles/C1132_C1431_Recovered/journal.json#C1214"], "download": "/sources/04a69b0e81323cec5371989afbc0ae8fdeadb6ee563a39af6a09df41c61bea37.md", "format": "md", "derived": true, "tags": ["Regular", "Cumulative", "Rounded"], "excerpt": "Where do the five source amplitudes change after rounding?", "content": "# C1214 — Compute the Rounded common-row change field\n\n## Question\n\nWhere do the five source amplitudes change after rounding?\n\n## Inputs\n\n```json\n{}\n```\n\n## Sources\n\n```json\n[\n  \"C1182\",\n  \"C1213\"\n]\n```\n\n## Opened utc\n\n2026-09-28T05:29:08.314535+00:00\n\n## Results\n\n```json\n{\n  \"rounded_field\": {\n    \"path\": \"model/whole_genealogy_rounded_changes.json\",\n    \"sha256\": \"59c733198e1c6b2dca7c08d425e2a4764198b31dcf334d79cc93652e6fc96cd3\",\n    \"bytes\": 3065\n  },\n  \"changed_rows\": [\n    \"Lamech\",\n    \"Arphaxad\",\n    \"Shelah\"\n  ]\n}\n```\n\n## Finding\n\nOnly Lamech and the Arphaxad/Shelah pair change their lifespan-difference amplitudes:−24 becomes−20, while each27 becomes25. Every common-row begetting difference survives exactly.\n\n## Reassessment\n\nDetermine why the whole Cumulative head difference nevertheless stays unchanged.\n\n## Checks\n\n```json\n{\n  \"three_changes\": true,\n  \"all_birth_deltas\": true\n}\n```\n\n## Closed utc\n\n2026-09-28T05:29:08.315419+00:00\n\n## Record provenance\n\nExact record hash: `ee4e3ed3d9b2e34ce4da147b4003e4f17ab25b5e1de1a1007370eb18eedb87ca`\n\nSource journal: `Research_Cycles/C1132_C1431_Recovered/journal.json`", "journalDownload": "/sources/6adb632ce171623c2bce60d7ed58ae319ccb379cf76b751c0a477c1742fd348c.json", "evidenceLinks": [{"id": "d-59c733198e1c6b2d", "title": "model/whole_genealogy_rounded_changes.json"}]}