{"id": "c747", "title": "C747 — Test the information supplied by intermediate boundaries", "filename": "C747.md", "role": "Research action", "step": 747, "sha256": "d7ba8ce423f83c7b78fa3948ec4a6c85898de1ff6da2fe9e70bbb2c0dd44d86f", "bytes": 1517, "origins": ["C480–C1634/Research_Cycles/C0732_C0831/journal.json#C747"], "download": "/sources/d7ba8ce423f83c7b78fa3948ec4a6c85898de1ff6da2fe9e70bbb2c0dd44d86f.md", "format": "md", "derived": true, "tags": ["Cumulative"], "excerpt": "Could the same aggregate lifespan difference conceal a different source-row order?", "content": "# C747 — Test the information supplied by intermediate boundaries\n\n## Question\n\nCould the same aggregate lifespan difference conceal a different source-row order?\n\n## Inputs\n\n```json\n{\n  \"source_deltas\": [\n    27,\n    100,\n    100,\n    100,\n    100,\n    60,\n    60\n  ],\n  \"diagnostic\": \"swap firsttwo row differences; no newsource state\"\n}\n```\n\n## Sources\n\n```json\n[\n  \"C742; Research Strategy §5B\"\n]\n```\n\n## Opened utc\n\n2026-09-28T01:46:59.830427+00:00\n\n## Results\n\n```json\n{\n  \"source_profile\": [\n    547,\n    520,\n    420,\n    320,\n    220,\n    120,\n    60,\n    0\n  ],\n  \"diagnostic_profile\": [\n    547,\n    447,\n    420,\n    320,\n    220,\n    120,\n    60,\n    0\n  ],\n  \"profile_difference\": [\n    0,\n    -73,\n    0,\n    0,\n    0,\n    0,\n    0,\n    0\n  ]\n}\n```\n\n## Finding\n\nSwapping just two row contributions preserves the547total and terminal but changes theEber comparison by73. The supplied intermediate boundary therefore contains information that theCreation or outer total cannot recover. This is a diagnostic of explanatory sufficiency, not an admitted variant.\n\n## Reassessment\n\nState the exact reconstruction relation between local row changes and thewholeboundaryprofile.\n\n## Checks\n\n```json\n{\n  \"same_total\": true,\n  \"different_interior\": true,\n  \"localized_difference\": true\n}\n```\n\n## Closed utc\n\n2026-09-28T01:46:59.830629+00:00\n\n## Record provenance\n\nExact record hash: `24123078e48d9361a6d64ccf67e1e78c08691d7997431651d9d78d1f9a8a76cc`\n\nSource journal: `Research_Cycles/C0732_C0831/journal.json`", "journalDownload": "/sources/8ea2b882289fbcea5cf11177923617f0c1d1ad7e6eaa3bffb174c6f89699d97d.json"}