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 0xa076a220d4189317fc89c54d1dc5474f7a4959033d4d02fd94ff35837a8ae4fa. Chain 2 (Bitcoin): anchored in block 953778 (2026-06-15T11:57:35Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b4c138ac-b50a-4b41-9792-c261c00920d4.json and https://artists.proofprofile.net/proofs/artist/b4c138ac-b50a-4b41-9792-c261c00920d4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
In the Wee Small Hours of the Morning - Original Mix
Nicollet Avenue Breakdown - Original Mix
You Stepped Out of a Dream - Original Mix
I Dream of Jeannie with the Light Brown Hair
If I Could Be with You (One Hour Tonight)
Louis Richard Day's Accordeon Swing Quartet
Guerino Et Son Orchestre Musette De La Boite A Matelots
L'Accordeoniste Gus Viseur Et L'orchestre Victor
Docteur Swing (The Story of Jazz and Swing Accordion)
Guerino & Son Orchestre Musette de la Boite a Matelots
What Is This Thing Called Love? - Live At The Trident Club / 1964
Squeeze Me: The Jazz and Swing Accordion Story
Unelmissian oot mun (You Can't Stop Me from Dancing)
Ramblers Orkesterio Klaus Salmen Johdolla
There's a Boat Leavin' Soon for New York
Sunshine Of Your Love - Live At The Fairmont, San Francisco / 1968