{"id": "c945", "title": "C945 — Component allocation remains hidden", "filename": "C945.md", "role": "Research action", "step": 945, "sha256": "e9b47677bf8cc53bc0ac3cd1e1959c7194ac0070a17b4f79a8858279e6c10b1b", "bytes": 1204, "origins": ["C480–C1634/Research_Cycles/C0932_C1131/journal.json#C945"], "download": "/sources/e9b47677bf8cc53bc0ac3cd1e1959c7194ac0070a17b4f79a8858279e6c10b1b.md", "format": "md", "derived": true, "tags": [], "excerpt": "Do the recovered aggregate columns identify the source-appointed split?", "content": "# C945 — Component allocation remains hidden\n\n## Question\n\nDo the recovered aggregate columns identify the source-appointed split?\n\n## Inputs\n\n```json\n{\n  \"source\": [\n    1650,\n    1050\n  ],\n  \"diagnostic_only\": [\n    1550,\n    1150\n  ]\n}\n```\n\n## Sources\n\n```json\n[\n  \"C933\",\n  \"C944\"\n]\n```\n\n## Opened utc\n\n2026-09-28T03:43:03.953660+00:00\n\n## Results\n\n```json\n{\n  \"source\": {\n    \"original\": 2700,\n    \"reverse\": 10620,\n    \"split\": [\n      1650,\n      1050\n    ]\n  },\n  \"diagnostic_only\": {\n    \"original\": 2700,\n    \"reverse\": 10620,\n    \"split\": [\n      1550,\n      1150\n    ]\n  }\n}\n```\n\n## Finding\n\nDifferent component allocations give the same two measurements. Aggregate identifiability does not recover the Flood breakpoint or establish an alternative chronology.\n\n## Reassessment\n\nParameterize this information loss without presenting diagnostic splits as source variants.\n\n## Checks\n\n```json\n{\n  \"same_original\": true,\n  \"same_reverse\": true,\n  \"different_split\": true\n}\n```\n\n## Closed utc\n\n2026-09-28T03:43:03.953836+00:00\n\n## Record provenance\n\nExact record hash: `02f9d4311fd214412dfb5f2aeabca2f88e3cf473bd0cc904d2278d52f52add0f`\n\nSource journal: `Research_Cycles/C0932_C1131/journal.json`", "journalDownload": "/sources/f6bdc7aaaaa4fd40f1151b367204ddee7f0f9b77a9c43ae8764831b52d862670.json"}