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 0x6da00083ce38de9b188b27ad2d5c057d96586b96f2834e52f76ebef4783bfd83. Chain 2 (Bitcoin): anchored in block 953803 (2026-06-15T15:41:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e3f3a96d-bec1-499b-b7a0-7a491e270a66.json and https://artists.proofprofile.net/proofs/artist/e3f3a96d-bec1-499b-b7a0-7a491e270a66.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
ミステリー パーク イン パラダイス
mammoth no yoru - Live at FAB 9th Dec.09
Der Rhein - Live at MINAMI-AOYAMA MANDALA 8th May.10
まどろみの中で輝ける花々は発芽する
Only "You", Only "Love" - Live at Meguro Rockmaykan, 2019.11.4
PARADEIII ～RESPECTIVE TRACKS OF BUCK-TICK～