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 0xd3b3e742718c8e5c9b0ba25daf5a7cb50508cdcb2f70bbf326c9c1ff68baf995. 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/435b8600-25d2-4a53-86a7-4e8b6136bb66.json and https://artists.proofprofile.net/proofs/artist/435b8600-25d2-4a53-86a7-4e8b6136bb66.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
President's Council On Psychedelic Fitness
Kaliedescope Compendium - The Best Of The Blues Magoos
Sometimes I Think About - Single Version
We Ain't Got Nothin' Yet - Single Version
The Blues Magoos: Mercury Singles (1966-1968)