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 0x0bbab22a82e5b27e3901ccdc1ff6423c398bd30a3e466ad39b5df9da317c1f93. Chain 2 (Bitcoin): anchored in block 953827 (2026-06-15T19:59:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f706b0e8-fe8d-485b-a6f7-531c07d68fd2.json and https://artists.proofprofile.net/proofs/artist/f706b0e8-fe8d-485b-a6f7-531c07d68fd2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
The Second Booke of Songs and Ayres: Come Sorrow (London, 1601)
Dowland's adew for Master Oliver Cromwell, P 13 (London, 1600)
The Second Booke of Songs and Ayres: Love wing'd my hopes
The Second Booke of Songs and Ayres: O How my thoughts
The Second Booke of Songs and Ayres: Fie Fie
The First Part of Ayres: The Souldiers Song (London, 1605)
The First Part of Ayres: A Souldiers Galliard (London, 1605)
The First Part of Ayres: What greater grief (London, 1605)
Lessons for 1, 2 and 3 Viols: The first tuning - Almain III (London, 1609)
Lessons for 1, 2 and 3 Viols: The first tuning - Galliard II (London, 1609)
Lessons for 1, 2 and 3 Viols: The first tuning - Coranto IV (London, 1609)
The Second Booke of Songs and Ayres: Now what is love
The Second Booke of Songs and Ayres: ove's God is a boy
The First Part of Ayres: Fain would I change
The Second Booke of Songs and Ayres: Did ever man thus love as I
The Second Booke of Songs or Ayres: Flow my teares
Exaltabo te Domine, S.66: IV. Ego autem dixi
Messe du Roi Soleil: Lully, Couperin & Delalande
Armide: "Au temps heureux où l’on sait plaire - Ah ! Quelle erreur ! quelle folie"
Proserpine: "Les beaux jours et la Paix sont revenus ensemble"
Endymion: "Jouissez de l’heureux partage"
Vêpres de la Nativité pour les Dames Religieuses: Antienne. Tecum principium et psaume Dixit Dominus
Vêpres de la Nativité pour les Dames Religieuses: Tu lumen, tu splendor Patris
Vêpres de la Nativité pour les Dames Religieuses: Sic praesens testatur
Vêpres de la Nativité pour les Dames Religieuses: Nos quoque