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 0x1899930d3296c7614186606f5bbc1ff3b96ce4c941d46edca55037f138bb69c0. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7d296977-a0fd-4e3a-9af3-ee156a548f7a.json and https://artists.proofprofile.net/proofs/artist/7d296977-a0fd-4e3a-9af3-ee156a548f7a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Eja Mater Fons Amoris (From Stabat Mater)
Ben Mio, Rimanti in Pace (From the 6th Madrigal Book)
Sancta Mater, Istud Agas (From Stabat Mater)
For All Swingin' Cats / Don't Forget Lester Young
Too Many Girls: I didn't know what time it was
Seven Lively Arts: Ev'ry Time we say Goodbye
The Enja Heritage Collection: Turtles (Live at Domicile Vintage 1968)
Music's the Only Thing That's on My Mind
Medley: You Started Something / I Never Loved Anyone
The Enja Heritage Collection: Confirmation
There's a Boat Dat's Leavin' for New York
Sinfonietta, JW VI/18: V. Andante con moto (Arr. E. Viklicky for Double Bass and Piano)
Brooklyn Moods (feat. Bruce Barth, George Mraz & Brandon Lewis)
Bertoncini, Gene / Vignola, Frank: Meeting of the Grooves