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 0x4d295543ae7c9844b626f1ae1a65f08d5cba6b7260465b0ae0aa53b66f8080d8. Chain 2 (Bitcoin): anchored in block 953630 (2026-06-14T12:06:27Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/30278836-05b1-4303-b316-79cd7847af7d.json and https://artists.proofprofile.net/proofs/artist/30278836-05b1-4303-b316-79cd7847af7d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Mr. Sandman / Dream A Little Dream Of Me
Mr. Sandman / Dream a Little Dream of Me
The Same Love That Made Me Laugh, Made Me Cry
It's a Woman's Prerogative from St. Louis Woman
The Story of Lucy and Jessie from Follies
Out of My Dreams from Oklahoma / I Have Dreamed from The King & I
I've Got the Sun in the Morning (And the Moon at Night) from Annie Get Your Gun
The Surrey With The Fringe On Top from Oklahoma / Stoned Soul Picnic
It Never Was You from Knickerbocker Holiday
It's A Woman's Prerogative (From "St. Louis Woman")
The Story Of Lucy And Jessie (From "Follies")
Born Too Late (From "The Littlest Revue")
Out Of My Dreams (From "Oklahoma") / I Have Dreamed (From "The King & I")
I've Got The Sun In The Morning (And The Moon At Night) [From "Annie Get Your Gun"]
The Surrey With The Fringe On Top (From "Oklahoma") / Stoned Soul Picnic
It Never Was You (From "Knickerbocker Holiday")
If You Never Come to Me (Inutil Paisgem)
I'm Gonna Laugh You Right Out of My Life
Portico Sessions: Jazz (Body & Soul), Vol. 2