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 0x840e13db6ba01ea6bd9949e7f23e8111fe937bcb0096411491e8429302d9c4b3. 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/cb74478e-5824-4f10-bd03-64bc1a5d1540.json and https://artists.proofprofile.net/proofs/artist/cb74478e-5824-4f10-bd03-64bc1a5d1540.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
INTRO –Happy Merry Christmas with UKULELE-
SILENT NIGHT～JINGLE BALL～WE WIGH YOU A MERRY X’MAS
Hana-Subete No Hito No Kokoro Ni Hana Wo-
Best Ukulele Covers J-songs for the World
ジングルベル～ウインター・ワンダーランド
ハヴ・ユアセルフ・ア・メリー・リトル・クリスマス
牧人ひつじを～荒野の果てに～天には栄え