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 0xfaf97adbd8ebdcb0881eb2c4afcd7e8cf7acf0b4375cb4fb85ecdd8616f0210e. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/387d3bb8-0cf9-418a-bc87-ca3772a511d1.json and https://artists.proofprofile.net/proofs/artist/387d3bb8-0cf9-418a-bc87-ca3772a511d1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Inside Hi-Fi (feat. Warne Marsh, Oscar Petitford, Kenny Clarke) [Mono Version]
50 Tunes of Horn Jazz from Venus Records - これがヴィーナス・ホーン・ジャズだ！