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 0xa23a9dc66640ff4665efdc79af8dd6a7edd62716fd5c3418516c8d15769abd04. Chain 2 (Bitcoin): anchored in block 953909 (2026-06-16T07:53:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/16102acd-4790-4b5b-a04b-adcb4235110e.json and https://artists.proofprofile.net/proofs/artist/16102acd-4790-4b5b-a04b-adcb4235110e.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
Buy Something! (From "Earthbound") [Cover]
Hateno Village (From "Zelda: Breath of the Wild") [Cover]
Main Theme (From "Disenchantment") [Cover]
Main Theme (From "Disenchantment") - Cover
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 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. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0x3bb5eef0d6d286c4f95500bf232186c409039f40791168e12404aa6bc269e558. Chain 2 (Bitcoin): anchored in block 958538 (2026-07-18T10:30:13Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZPJ32133176 — a six-check JSON result.
Zelda's Lullaby (from: "The Legend of Zelda: Ocarina of Time") [Cover]
Dark World (From: "Zelda: A Link to the Past") [Cover]
Gerudo Valley (from: "Zelda: Ocarina of Time") [Covers]
Aethervox (From: "Drakengard 3") [Cover]
Dracula's Castle (from 'Castlevania: Symphony of the Night') [Cover]
Phantom Forest (From: "Final Fantasy VI") [Cover]
Succession of Witches (From: "Final Fantasy VIII") [Cover]
Windfall Island (From: "The Legend of Zelda: The Wind Waker") [Cover]