John Warren may refer to: Entertainment John F. Warren (1909–2000), American cinematographer John Warren (actor) (1916–1977), British screenwriter and actor John Warren (musician) (born 1938), Can
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 0x362bef3ebb214772a36e1c9de9edd27012e5500f3dbc8308025ef8b21582a615. 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/f88d204b-f94a-46bd-894b-4da83776b866.json and https://artists.proofprofile.net/proofs/artist/f88d204b-f94a-46bd-894b-4da83776b866.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Liber Secundus Sacrarum Cantionum (Cantiones Sacrae II): Haec Dies
Carols of Death: No. 2, The Unknown Region
John the Revelator (Arr. P. Caldwell & Sean Ivory)
My Soul's Been Anchored in the Lord (Arr. M. Hogan)