{"id": "c996", "title": "C996 — Complete retained-part field reconstruction", "filename": "C996.md", "role": "Research action", "step": 996, "sha256": "c86778c26a8292b503bbc51f431dc3e7bddbf210d29d5bf5092a478411fe87b0", "bytes": 1389, "origins": ["C480–C1634/Research_Cycles/C0932_C1131/journal.json#C996"], "download": "/sources/c86778c26a8292b503bbc51f431dc3e7bddbf210d29d5bf5092a478411fe87b0.md", "format": "md", "derived": true, "tags": ["Inverse"], "excerpt": "Do the two measurements recover every supplied component pair?", "content": "# C996 — Complete retained-part field reconstruction\n\n## Question\n\nDo the two measurements recover every supplied component pair?\n\n## Inputs\n\n```json\n{\n  \"fields\": [\n    [\n      690,\n      700,\n      750\n    ],\n    [\n      720,\n      730,\n      780\n    ],\n    [\n      750,\n      760,\n      810\n    ],\n    [\n      12600,\n      12740,\n      13440\n    ]\n  ]\n}\n```\n\n## Sources\n\n```json\n[\n  \"C995\",\n  \"SupplementA\",\n  \"File52c\"\n]\n```\n\n## Opened utc\n\n2026-09-28T03:54:32.570988+00:00\n\n## Results\n\n```json\n{\n  \"complete_field\": {\n    \"path\": \"model/retained_part_complete_field.json\",\n    \"sha256\": \"191c8be002ec5b6904324b1a6bd626f3018146fcd29bb8808ee47ae74366c592\",\n    \"bytes\": 523\n  },\n  \"recovered\": [\n    [\n      690,\n      0\n    ],\n    [\n      690,\n      30\n    ],\n    [\n      690,\n      60\n    ],\n    [\n      9660,\n      2940\n    ]\n  ]\n}\n```\n\n## Finding\n\nThe same two-measurement inverse recovers690 with zero, one or two30 flanks, and the9660|2940 macro split. The third total is a dependent consistency check.\n\n## Reassessment\n\nDetermine what this numerical recovery leaves to the sources.\n\n## Checks\n\n```json\n{\n  \"all_residuals_zero\": true,\n  \"all_parts\": true\n}\n```\n\n## Closed utc\n\n2026-09-28T03:54:32.573634+00:00\n\n## Record provenance\n\nExact record hash: `97a316d99fd4c0b7ebb4246f2255532ccf5b5de85b48527b72c9bed63e92ac15`\n\nSource journal: `Research_Cycles/C0932_C1131/journal.json`", "journalDownload": "/sources/f6bdc7aaaaa4fd40f1151b367204ddee7f0f9b77a9c43ae8764831b52d862670.json", "evidenceLinks": [{"id": "d-191c8be002ec5b69", "title": "model/retained_part_complete_field.json"}, {"id": "file52c", "title": "File 52c"}]}