Some may refer to: some, an English word used as a determiner and pronoun; see use of some The term associated with the existential quantifier "Some", a song by Built to Spill from their 1994 album Th
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 0xfd2cfb7ef42dd9c4075842d2f5d3222490012c553146398a6f453f6eb57cde66. Chain 2 (Bitcoin): anchored in block 953596 (2026-06-14T06:21:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0858cfff-4145-4cee-a625-bc2b83f87ca0.json and https://artists.proofprofile.net/proofs/artist/0858cfff-4145-4cee-a625-bc2b83f87ca0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).