{"id": "c1192", "title": "C1192 — Compute joint Rounded fibres on all ordinary source rows", "filename": "C1192.md", "role": "Research action", "step": 1192, "sha256": "300378c94c44338543a5a11bd423fee6e1a03ec1e65b3afad3b5b1f4f9fcba49", "bytes": 1352, "origins": ["C480–C1634/Research_Cycles/C1132_C1431_Recovered/journal.json#C1192"], "download": "/sources/300378c94c44338543a5a11bd423fee6e1a03ec1e65b3afad3b5b1f4f9fcba49.md", "format": "md", "derived": true, "tags": ["Rounded"], "excerpt": "Which rows remain exactly identifiable when exact life and both rounded parts are retained?", "content": "# C1192 — Compute joint Rounded fibres on all ordinary source rows\n\n## Question\n\nWhich rows remain exactly identifiable when exact life and both rounded parts are retained?\n\n## Inputs\n\n```json\n{}\n```\n\n## Sources\n\n```json\n[\n  \"C1191\",\n  \"model/complete_source_row_packet.json\"\n]\n```\n\n## Opened utc\n\n2026-09-28T05:23:38.403467+00:00\n\n## Results\n\n```json\n{\n  \"fibres\": {\n    \"path\": \"model/ordinary_joint_rounding_fibres.json\",\n    \"sha256\": \"1cb4a13c33bfabf1020e463c99bd040a92121ec0f3ae9f96e5447592ad059df7\",\n    \"bytes\": 14320\n  },\n  \"ordinary_rows\": 55,\n  \"singletons\": [\n    \"MT:Methuselah\",\n    \"MT:Reu\",\n    \"SP:Reu\",\n    \"LXX:Methuselah\",\n    \"LXX:Reu\"\n  ]\n}\n```\n\n## Finding\n\nFive of55 ordinary rows have singleton joint fibres: MT/LXX Methuselah, MT/LXX Reu, and SP Reu. This conditional uniqueness comes from two same-sign extreme residuals, not from new source testimony.\n\n## Reassessment\n\nCompare each singleton with the ambiguity when only one rounded component is retained.\n\n## Checks\n\n```json\n{\n  \"55rows\": true,\n  \"excluded3\": true,\n  \"formula_all\": true,\n  \"singletons5\": true,\n  \"source_retained\": true\n}\n```\n\n## Closed utc\n\n2026-09-28T05:23:38.404610+00:00\n\n## Record provenance\n\nExact record hash: `13b1c5e72ddcd7c70c0a03130ddeccb78d1415aa399749954211836e2f555361`\n\nSource journal: `Research_Cycles/C1132_C1431_Recovered/journal.json`", "journalDownload": "/sources/6adb632ce171623c2bce60d7ed58ae319ccb379cf76b751c0a477c1742fd348c.json", "evidenceLinks": [{"id": "d-1cb4a13c33bfabf1", "title": "model/ordinary_joint_rounding_fibres.json"}, {"id": "d-1bd5961126532673", "title": "model/complete_source_row_packet.json"}]}