thumb | right | alt=Norwegian poet Halldis Moren Vesaas (1907-1995) | Norwegian poet Halldis Moren Vesaas (1907-1995)Haldis is a given name. Notable people with the given name include: Haldis Halvor
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 0xb0daf90afea5969919fda57934d7ceb93f00e611d9898b5c457204ea96f984ff. Chain 2 (Bitcoin): anchored in block 953909 (2026-06-16T07:53:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/10b86901-9b33-42dd-9b24-e497e3e922e6.json and https://artists.proofprofile.net/proofs/artist/10b86901-9b33-42dd-9b24-e497e3e922e6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).