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 0x590ad9b039529d5e10226e8db1a1d671210dc652674c816df9c92e464aba4f11. Chain 2 (Bitcoin): anchored in block 953626 (2026-06-14T11:41:45Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/25e75140-7318-4a7c-909b-4b4127d06abb.json and https://artists.proofprofile.net/proofs/artist/25e75140-7318-4a7c-909b-4b4127d06abb.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Flute Music of the 16th & 17th Centuries
Bransle de Champaigne / Bransle de Poictou
Le parfaict danser. Dance Music 1300-1500
Attaingnant: Que je chatoulle ta fossette (Danceries)
Missa plurium modulorum: Jouyssance vous donneray: Jouyssance vous donneray
Anne Boleyn's Songbook: Music & Passions of a Tudor Queen
Music for Anne Boleyn: Court Music from Her Rise and Reign
Tant que vivray en aage florissant (arr. P. Attaingnant)
The French Ambassadors: Music Based on Holbein's 'The Ambassadors'
A Golden Treasury of Renaissance Music on Original Instruments
Las je m'y plains mauldicte soit fortune (arr. F. da Milano)
Secourez moy, ma dame, par amours (version for lute and voice)
Orphenica lyra (Excerpts): No. 113, Tan que vivray [Arr. M. Fuenllana for Vihuela]
El siglo de oro musica per vihuela del rinascimento spagnolo, Vol. 2