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The corpus had no live windows, so pack_verify.py never read a live-window receipt, a non-zero `prev_index_digest` or a `first_entry` past zero. live/ holds the staged golden's source packed live with its key, in windows of two pieces: each window's index and receipt, and expected.json with each window's place in the chain, index digest and receipt hash. pack_verify.py reads each window with its own index reader and §6.3 rules, and verifies the receipt (§9.1, strict Ed25519). It then checks the chain: - the parent receipt (`live-window`); - `prev_index_digest`; - `first_piece` and `first_entry`; - the timeline; - the signer is the golden's key. It also checks that each window's pieces, entries (but flags and window-relative `refines`), class plan and plan digest are the golden's. wai-pack's conformance check writes the windows again, compares their bytes, and verifies the same chain. Co-Authored-By: Claude Opus 5.5 <[email protected]>
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{"asset_id":"video-staged-01","components":[{"id":"v","index":"index-v.wsix","index_digest":"66b9399454a9937a52eef21bb7c452c8a03257d707d4a8238e99db447926aca0","media_class":"video","stage_root":"3aeb034c4d2f20e768d8e08bec6911370ff20790f8b04d38bc8618ecf18c2edf"}],"energy_provenance":null,"grant":{"capability":"wai.video.package","funds_ceiling":null,"grant_hash":"0000000000000000000000000000000000000000000000000000000000000000","joule_ceiling_micro":null},"joules_micro":0,"kind":"package","packager":"builtin:[email protected]","parent_kind":"none","parent_receipt_hash":null,"policy_digest":"1bed669917d9d78e1a0f65a5a998db50e98e3dbdf836cc2ae00ff2ac97d67e57","receipt_hash":"c8143d2452499a4d3772e40c528255eae90e781511995a76b1cabd12c87b5950","sig":"03bb324e8047e88a7d28494d3c132473992b40742476691b11ea0d4405fd6800928bed7a45303f0c7e3ccb293dfb41a1e2e68b4da3c06c6b70f35d44664fec05","signer_id":"did:key:z6MkhGok4PzLmtw1v5uW3Bpip8gHHifrCt42QJn4gEBfRVQG","signer_pubkey":"29e5833a915a6429a4e3a7948475c338ef436eb82be89c92f059704403db9d55","stored_bytes":260808,"total_bytes":260808,"total_entries":6,"unique_objects":6,"version":2,"work_units":6} |