{"id": "c990", "title": "C990 — Partition compatibility control", "filename": "C990.md", "role": "Research action", "step": 990, "sha256": "518cd4b949ea7b6408784baddd2edf58ed4ee6078570983443b63dca5ba9047b", "bytes": 1027, "origins": ["C480–C1634/Research_Cycles/C0932_C1131/journal.json#C990"], "download": "/sources/518cd4b949ea7b6408784baddd2edf58ed4ee6078570983443b63dca5ba9047b.md", "format": "md", "derived": true, "tags": ["Calendar Keys"], "excerpt": "Would an arbitrary nearby allocation produce the same calibrated factor?", "content": "# C990 — Partition compatibility control\n\n## Question\n\nWould an arbitrary nearby allocation produce the same calibrated factor?\n\n## Inputs\n\n```json\n{\n  \"diagnostic_fraction\": \"1/25\",\n  \"calendar\": 364\n}\n```\n\n## Sources\n\n```json\n[\n  \"C989\",\n  \"prep/key_constraints/questions.json KQ07\"\n]\n```\n\n## Opened utc\n\n2026-09-28T03:53:28.034583+00:00\n\n## Results\n\n```json\n{\n  \"diagnostic_E\": \"312/287\",\n  \"difference_from_source_E\": \"1/6601\",\n  \"status\": \"unadmitted algebraic control\"\n}\n```\n\n## Finding\n\nReplacing1/26 by1/25 changes the factor by1/6601. Calendar-and-partition compatibility is substantive, although reverse-solving prior identities is not independent evidence.\n\n## Reassessment\n\nDetermine how the three allocation fractions compose.\n\n## Checks\n\n```json\n{\n  \"changed\": true,\n  \"difference\": true\n}\n```\n\n## Closed utc\n\n2026-09-28T03:53:28.034828+00:00\n\n## Record provenance\n\nExact record hash: `98b644dd1fb767351a5065deecb84ef274ade100cfcc31a31a683940966624d5`\n\nSource journal: `Research_Cycles/C0932_C1131/journal.json`", "journalDownload": "/sources/f6bdc7aaaaa4fd40f1151b367204ddee7f0f9b77a9c43ae8764831b52d862670.json", "evidenceLinks": [{"id": "d-1f4001d5c18a51fe", "title": "prep/key_constraints/questions.json"}]}