Tine Asmundsen (born 8 April 1963) is a Norwegian jazz bassist, known from her own band, Lonely Woman, playing with David Murray at Kongsberg Jazzfestival 2010. Career Asmundsen was born in Kongsbe
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 0x7c493df70d6b48ad9806cd50f7670dcd561a4d58ed31965089010ecfa94e472e. Chain 2 (Bitcoin): anchored in block 954638 (2026-06-21T03:45:44Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d5c53ca4-c30b-4b39-bb8e-09f76ead006b.json and https://artists.proofprofile.net/proofs/artist/d5c53ca4-c30b-4b39-bb8e-09f76ead006b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).