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 0xda2c26f6559581026417ea80b7800a968fe5d2d362e3de55b6b22403bc9f309b. Chain 2 (Bitcoin): anchored in block 954728 (2026-06-21T18:08:38Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f9d13ca3-6290-4a98-86f6-f4e55770f68a.json and https://artists.proofprofile.net/proofs/artist/f9d13ca3-6290-4a98-86f6-f4e55770f68a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
The 50 Guitars of Tommy Garrett (Mono Version)
50 Guitars Go South Of The Border, Vol. 2
The 25 Pianos Play Evergreens of Broadway
Tommy Garrett and the 50 Guitars (Remastered)
In a Little Spanish Town : Tommy Garrett and His 50 Guitars
The Moon of Manakoora - Music from Hawaii
The Best of the 50 Guitars of Tommy Garrett