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 0xea7d87fc7086c22e6f044b64435af9920508351c941e626b668b447c2bc85cca. Chain 2 (Bitcoin): anchored in block 953697 (2026-06-14T21:49:28Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7220576f-686a-4d25-a604-67efeb84714b.json and https://artists.proofprofile.net/proofs/artist/7220576f-686a-4d25-a604-67efeb84714b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
The Spring, My Dear, Is No Longer Spring
There Is A Balm In Gilead (Arr. for String Quartet, Piano & Voice by Damien Sneed)
Five Songs of Laurence Hope: No. 5, Till I Wake (Arr. by Damien Sneed)
5 Songs of Laurence Hope: No. 5, Till I Wake (Arr. For String Quartet, Piano & Voice by Damien Sneed)
Steal Away - Spirituals and Gospel Songs
The McCormack Edition, Vol. 8: The Acoustic Recordings (1918-1920)
Music@Menlo Live '10: Maps and Legends, Vol. 7
Sometimes I Feel Like a Motherless Child
La Traviata, Act I: "Ah Fors'e Lil...Sempre Libera"
Lucia di Lammermoor, Act II: "Mad Scene"