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 0x095133ab1d9a09f2028b3019d83425094cfc0d21fc943a9c1248f95bbf6b6478. Chain 2 (Bitcoin): anchored in block 954705 (2026-06-21T13:42:37Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ec5c8f6b-380c-48fe-bd93-e0a0e7d3850f.json and https://artists.proofprofile.net/proofs/artist/ec5c8f6b-380c-48fe-bd93-e0a0e7d3850f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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Canciones De Cuna De Truenos: Melodías Para Dormir
Melodías Relajantes Para El Sueño: Música Para Noches Tranquilas
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