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 0x298d13dd9a9fe695f12f4e98fad360ac0938eb5f2c48420bd773b5bd432c0bb7. 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/ff3accf7-920b-4d1a-8d18-ad3ca4ad94cd.json and https://artists.proofprofile.net/proofs/artist/ff3accf7-920b-4d1a-8d18-ad3ca4ad94cd.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Magnificat & Nunc Dimittis (The Harvard Service)
O Praise Ye the Lord! Sing Praise in the Height
This Is My Song, O God of All the Nations
Lord of All Hopefulness, Lord of All Joy
Carmina burana: No. 19, Fas et nefas ambulant (After Biblioteca Medicea Laurenziana MS Pl. 29.1)
Carmina burana: No. 14, O varium fortune lubricum (After Biblioteca Medicea Laurenziana MS Pl. 29.1)
Carmina burana: No. 17, O fortuna, velut luna
Carmina burana: No. 215, Officium lusorum. Introitus Sequentia (After "Victimae pascali laudes")
Carmina burana: No. 130, Olim lacus colueram (After "Dies irae")
Carmina burana: No. 131a, Bulla fulminante (After Biblioteca Medicea Laurenziana MS Pl. 29.1)
Carmina burana: No. 200, Bacche, bene venies (After British Library MS Egerton 2615 "Manuscrit de Beauvais")
Carmina burana: No. 118, Doleo quod nimium
Carmina burana: No. 59, Ecce chorus virginum
Carmina burana: No. 180, O mi dilectissima
Carmina burana: No. 174, Veni, veni, venias... Chume, chume, geselle mîn
Carmina burana: No. 185, Ich was ein chint
Carmina burana: No. 179, Tempus est jocundum
Carmina burana: No. 142, Tempus adest floridum - No. 77, Ave, formosissima