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 0x64707a26bbab0d174ad2cda3de272c6c77f798a0a6df66458424ed1a3882060c. Chain 2 (Bitcoin): anchored in block 953617 (2026-06-14T09:00:45Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1b921da6-6028-476b-8b9c-0112ccedabc0.json and https://artists.proofprofile.net/proofs/artist/1b921da6-6028-476b-8b9c-0112ccedabc0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Lustige Trinklieder - Leicht Frivol - Teil 3/German Beer Drinking Songs - Volume 3
Lustige Trinklieder - Leicht Frivol - Teil 2 / German Beer Drinking Songs - Volume 2
Juppheidi-Juppheida/Bums, Da Fiel Die Lampe Um
Lustige Trinklieder - Leicht Frivol - Teil 1 / German Beer Drinking Songs
Alles Hat Ein Ende Nur Die Wurst Hat Zwei
Der Schönste Platz Ist Immer An Der Theke
Du Darfst Mich Lieben Für Drei Tolle Tage