{"id": "c803", "title": "C803 — Build a common refinement of the two290-year paths", "filename": "C803.md", "role": "Research action", "step": 803, "sha256": "b5a5a29ee9dd585b82b6e80f75d8f8ebd7d4460db414f74b1ce97d5c6601ad47", "bytes": 1112, "origins": ["C480–C1634/Research_Cycles/C0732_C0831/journal.json#C803"], "download": "/sources/b5a5a29ee9dd585b82b6e80f75d8f8ebd7d4460db414f74b1ce97d5c6601ad47.md", "format": "md", "derived": true, "tags": [], "excerpt": "Can the biological and sacrifice/death subdivisions coexist without identifying their inner nodes?", "content": "# C803 — Build a common refinement of the two290-year paths\n\n## Question\n\nCan the biological and sacrifice/death subdivisions coexist without identifying their inner nodes?\n\n## Inputs\n\n```json\n{}\n```\n\n## Sources\n\n```json\n[\n  \"File20 §8.1,§8.6 and biological blueprint\"\n]\n```\n\n## Opened utc\n\n2026-09-28T02:07:55.191619+00:00\n\n## Results\n\n```json\n{\n  \"refinement\": {\n    \"path\": \"model/BJ_290_refinement.json\",\n    \"sha256\": \"b0091eecfa6741ce954d931508d8c208b1d78c842071976055f1b51b213ab190\",\n    \"bytes\": 423\n  },\n  \"gaps\": [\n    100,\n    15,\n    45,\n    15,\n    115\n  ]\n}\n```\n\n## Finding\n\nOne six-node refinement retains both partitions of290. The shared outer duration does not require Isaac birth to equal sacrifice or Jacob birth to equal Abraham death.\n\n## Reassessment\n\nRecover both source partitions by explicit coarsening.\n\n## Checks\n\n```json\n{\n  \"gaps\": true,\n  \"sum290\": true\n}\n```\n\n## Closed utc\n\n2026-09-28T02:07:55.191978+00:00\n\n## Record provenance\n\nExact record hash: `7fd7ed68f1e4786b2f28d2a3e468d902ca6b721367f954b80a57062da97b8bba`\n\nSource journal: `Research_Cycles/C0732_C0831/journal.json`", "journalDownload": "/sources/8ea2b882289fbcea5cf11177923617f0c1d1ad7e6eaa3bffb174c6f89699d97d.json", "evidenceLinks": [{"id": "d-b0091eecfa6741ce", "title": "model/BJ_290_refinement.json"}, {"id": "d-c8822cb5bb81a7ac", "title": "File 20"}]}