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 0xdc2eb9f84e8cc075872c74afc48163f78619d707c236df5876d5bf8d2bbf6f03. Chain 2 (Bitcoin): anchored in block 953699 (2026-06-14T22:00:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/6950ff59-c1a9-4190-99f6-2eee848eac56.json and https://artists.proofprofile.net/proofs/artist/6950ff59-c1a9-4190-99f6-2eee848eac56.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Itoshisato Setsunasato Jyunjyouna Kanjyou
闇夜のキャラバン - アルバムヴァージョン
ヘボット!OP&ED 放課後ねじまきダンス / グーチョキパンツの正義さん (TVサイズ)
グーチョキパンツの正義さん - TVサイズ