NS as an abbreviation can mean: Arts and entertainment Gaming Natural Selection (video game), a mod for the game Half-Life NetStorm: Islands At War, a real-time strategy game published in 1997 by A
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 0xbcb64c417334df29ad7f305321585ec59180c07fefb874f64f52cb70af7be38e. 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/5a9b7927-d9bf-4cc1-a072-ebe6db9e46e1.json and https://artists.proofprofile.net/proofs/artist/5a9b7927-d9bf-4cc1-a072-ebe6db9e46e1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).