CAIN-INV-0588: E21 governed transition witness (spec §4)

VERIFIED source compiles

Domain	VERIFICATION_AND_ASSURANCE
Tier	ENGINEERING_INNOVATION
Source	`cain/e21/witness.py`
Mapped tests ran	51
Passed / failed / errored	51 / 0 / 0
Compiles	yes

Mapped tests

tests/distributed/test_cain34_pbft_cluster.py

tests/distributed/test_witness_verifier_31.py

tests/e21/test_e21_state.py

tests/test_cain42_canonical_architecture.py

tests/test_cain42_epoch6_multiagent_consensus.py

tests/test_cain42_epoch7_campaign_and_cleanroom.py

Generated 2026-10-06T19:15:35Z from git unknown. This page is a republication of the run result; it is not an independent audit.

Same-project verification only. The tests are authored in this repository; no third party has reviewed or reproduced these results. VERIFIED means the mapped tests passed in this run, not that the mechanism is independently correct.