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 0x393a9e3a89edc2d61cf980b2b86457dd32ffb97c66460fb979dceab34fb92e28. Chain 2 (Bitcoin): anchored in block 953633 (2026-06-14T12:47:11Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/31fe1f0f-2e7e-4825-b45a-4cd0c7cd67ff.json and https://artists.proofprofile.net/proofs/artist/31fe1f0f-2e7e-4825-b45a-4cd0c7cd67ff.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Jacobson: Vaughan Williams - A Cotswold Romance / Vaughan Williams: The Death of Tintagiles
A Cotswold Romance: The Men of Cotsall (Chorus) [After R. Vaughan William's Hugh the Drover]
A Cotswold Romance: Sweet Little Linnet (Hugh) [After R. Vaughan William's Hugh the Drover]
A Cotswold Romance: Hugh's Song of the Road (Chorus) [After R. Vaughan William's Hugh the Drover]
A Cotswold Romance: Love at First Sight (Hugh, Mary, Chorus) [After R. Vaughan William's Hugh the Drover]
A Cotswold Romance: The Best Man in England (Baritone solo, Chorus) [After R. Vaughan William's Hugh the Drover]
A Cotswold Romance: Alone and Friendless (Hugh) [After R. Vaughan William's Hugh the Drover]
A Cotswold Romance: The Fight and its Sequel (Baritone solo, Mary, Hugh, Chorus) [After R. Vaughan William's Hugh the Drover]
A Cotswold Romance: Hugh in the Stocks (Hugh) [After R. Vaughan William's Hugh the Drover]
A Cotswold Romance: Mary Escapes (Mary, Chorus) [After R. Vaughan William's Hugh the Drover]
A Cotswold Romance: Freedom at last (Hugh, Mary, Chorus) [After R. Vaughan William's Hugh the Drover]
The Death of Tintagiles: Prelude. Largo - Andantino - Adagio —
The Death of Tintagiles: Lento - Andante tranquillo - Lento —
The Choir of St. Mary's Episcopal Cathedral
Requiem of Reconciliation: X. Agnus Dei: Agnus Dei
Requiem Of Reconciliation - In Memory Of The Victims Of World War II
Samson, HWV 57: Act III Scene 3: Air and Chorus: Let the bright Seraphim in burning row
Nono: Canti di vita e d'amore: No. 1, Sul ponto di Hiroshima
Hartmann: Symphony No. 1 "Versuch eines Requiems" - Nono: Canti di vita e d'amore - Martinů: Memorial to Lidice
Nono: Canti di vita e d'amore: No. 3, Tu
Carmina Burana: Chramer, gip die verwe mir