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 0xb457bcb0a87051f22ee29957684608c8925b74b3d7fb75c5006c53444fec5a28. Chain 2 (Bitcoin): anchored in block 953641 (2026-06-14T13:54:28Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/39cf67b2-2cb3-4f4c-bfd1-076d5ebea917.json and https://artists.proofprofile.net/proofs/artist/39cf67b2-2cb3-4f4c-bfd1-076d5ebea917.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Juul og Nytaar, Bal-Bouquet: I. Juleaften (Vals)
Juletræet, JLW 323: No. 4, Frantz Galop - Galop
Honnørmarch for Kongehus og Flag / Fanemarchen
Bravest of the Brave - En hyldest til vore soldater
Dronning Margrethe d. II's jubilæumsmarch
Børnehjælpsdagens Festmarch - World Premiere Recording
Spejderhonnørmarch - World Premiere Recording
Sølvbryllupsfestpolonaise - World Premiere Recording