Late or LATE may refer to: Everyday usage Tardy, or late, not being on time Late (or the late) may refer to a person who is dead Music Late (The 77s album), 2000 Late (Alvin Batiste album), 1993
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f0b7a3255ea496944dcc5cdeaf1c46c3dad002bc0a81f195f9299d6be63f2c7. Chain 2 (Bitcoin): anchored in block 953871 (2026-06-16T01:46:03Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/06995e42-720f-4e4c-b5d7-4937ffda3232.json and https://artists.proofprofile.net/proofs/artist/06995e42-720f-4e4c-b5d7-4937ffda3232.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).