Odd Bakkerud (June 11, 1931 – October 13, 1989) was a Norwegian fiddle player.Store norske leksikon: Odd Bakkerud Biography Bakkerud was from the parish of Nes in Buskerud, Norway. He was raised nea
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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 entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74dfe6f813a34374ec7e3918d492288ced658b1899746228ff2b3366a235d99c. Chain 2 (Bitcoin): anchored in block 954516 (2026-06-20T07:04:44Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a2ded432-94b2-4656-928d-27881d9b0ee5.json and https://artists.proofprofile.net/proofs/artist/a2ded432-94b2-4656-928d-27881d9b0ee5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).