Torvik is a surname. Notable people with the surname include: Ansgar Torvik (1925–2019), Norwegian physician Gisle Torvik (born 1975), Norwegian jazz musician Otto Torvik (1901–1988), Norwegian Luthe
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6fc8c6539c7479998f7d2791b00581d298a6e267a3dbf9aa47e6f424ae0a889. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/6d846876-9577-4ff7-8699-2104c797c640.json and https://artists.proofprofile.net/proofs/artist/6d846876-9577-4ff7-8699-2104c797c640.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).