{ "schema_version": "v0", "experiment_id": "EXP8-solar-rehearsal", "question": "Does rehearsal make the instance reachable? Solar text gets 3 more renderings (pseudocode/events/anonymized) — the same drill the nursery shapes received — then the cold atom probe repeats.", "prior": "EXP7: drilled abstractions out-competed the once-seen instance; measured property claimed: instances need recurrence to become reachable.", "evaluation": "recurring attachment claims of the re-probe, provenance-traced, vs EXP7's set", "defined_at": "2026-08-22T13:52:03-0700" }