1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 artist was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9ce635a2c0479735aba9b84bd88b9da2e62f96b5fd3fda765c318e0d8d09674. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/20ba85cf-6799-441b-9699-c496580fa601.json and https://artists.proofprofile.net/proofs/artist/20ba85cf-6799-441b-9699-c496580fa601.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Lại Về Bên Nhau (All Is Found - Frozen 2 OST)
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