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 0x04a44951166ae1cb5234680236abda491344738836933bba490fd9d5cff80837. Chain 2 (Bitcoin): anchored in block 953786 (2026-06-15T12:56:12Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d8879943-5ed7-4e52-a2bc-d7e280762a24.json and https://artists.proofprofile.net/proofs/artist/d8879943-5ed7-4e52-a2bc-d7e280762a24.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Engelbert Wrobel's Swing Society - Live at Sägewerk
I Can't Believe That You're in Love with Me
Let It Snow, Let It Snow / I´m Dreaming Of A White Christmas / Go Tell It On The Mountain
Süßer die Glocken nie klingen / Morgen kommt der Weihnachtsmann / Kling Glöckchen
Rudolph The Red Nosed Reindeer / Winter Wonderland / Jingle Bells
Lasst uns froh und munter sein / Leise rieselt der Schnee / Alle Jahre wieder
Santa Claus is Coming to Town / Mary´s Boy Child / Feliz Navidad
The Girl from Ipanema / Wave / Aqua De Beber