{
  "schema_version": "v0",
  "experiment_id": "EXP10-compaction-bill",
  "question": "What does each compression of a real episode preserve, destroy, invent — and does the seat's deposit carry structure a generic summary loses (delta's promise)?",
  "episode": "the substrate self-kill night, 2026-08-20 (forensically established)",
  "arms": [
    "raw log (ceiling)",
    "delta deposit",
    "runbook note",
    "generated 80-word summary (qwen)"
  ],
  "limitations": "n=1; ground truth and deposit authored by the same seat (motivated author, recorded); one parser",
  "defined_at": "2026-08-22T17:22:43-0700"
}