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 0xdc26c5d4f6582d5abe21ebdb55666423d6c50aa56bd94cf67c3f608e90beb618. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/6a76ce22-3a23-4761-9e0f-8ef83cde3253.json and https://artists.proofprofile.net/proofs/artist/6a76ce22-3a23-4761-9e0f-8ef83cde3253.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Start einer Noratlas-Maschine und Richthofen Marsch
Marsch des schwäbischen Kreisregiments Durlach-Baden
Regimentsgruß (Parademarsch der 1. Luftlandedivision)
Marsch des York'schen Korps (Marsch der Brigade 25)
Kaiser-Friedrich-Marsch (Marsch der Brigade 26)
Marsch des Infanterie-Regiments Großherzog Friedrich von Baden
Marsch des Leib-Garde-Preobraschensky-Regiments