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 0x7c9e1edd8b167e6ea3b5cffe1208df050a87c3d7484738022d56709ca0ba20a5. 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/ca245868-1f6a-4aea-8972-79be35869cc9.json and https://artists.proofprofile.net/proofs/artist/ca245868-1f6a-4aea-8972-79be35869cc9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Liebman - Ineke - Laginha - Cavalli - Pinheiro Quintet
It Don't Mean a Thing (If It Ain't Got That Swing)
Swing Street - Plays The Music of Cannonball Adderley
Jazz XL - Blues, Ballads and Bright Moments
Eric Ineke 75 - Swinging, Boppin' and Burnin'
Turn out the Stars - the Music of Bill Evans
Let There Be Life, Love, and Laughter - Live
Medley: Tomorrow Never Knows - Blue Jay Way - Love Me Do
These Foolish Things - Live at De Pompoen
Time to Swing (Marriage in Modern Jazz Revival - Live at Headroom)
In the Wee Small Hours of the Morning - Live
How Deep Is the Ocean, How Hight Is the Sky - Live