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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe31a139bd3cd20a89c145297c1dd1d50f1b5325080333fb2f551ca0a4a8722c4. Chain 2 (Bitcoin): anchored in block 953842 (2026-06-15T22:22:30Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f5424b6b-428a-4348-b781-80da9fc03616.json and https://artists.proofprofile.net/proofs/artist/f5424b6b-428a-4348-b781-80da9fc03616.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Dragon Roost Island (From "The Legend Of Zelda Wind Waker")
Kass' Theme (From "The Legend of Zelda Breath of the Wild")
Stickerbrush Symphony (From "Donkey Kong Country 2: Diddy's Kong Quest")
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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6f0b97b2e1b060397cdb222f6d4cbfdaa982390753d7d01fc9f6621eec0ff43. Chain 2 (Bitcoin): anchored in block 958775 (2026-07-19T22:46:44Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USE831597835.
Battle Against a True Hero (From "Undertale")
The Panel: Soundtrack of an Unreleased Game
Forest Interlude (From "Donkey Kong Country 2: Diddy's Kong Quest)
Bloody Tears (From "Castlevania 2: Simon's Quest")
Aquatic Ambiance (From "Donkey Kong Country")
Fountain of Dreams (From “Super Smash Bros. Melee”)
Tal Tal Heights (From "The Legend of Zelda: Link's Awakening")