Roby may refer to: Places Roby, Merseyside Roby, Texas Roby, Poland People with the surname Courtney Roby (born 1983), American former NFL wide receiver Gabriel Roby (1878–1917), French painter Isai
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 0xb9e0c1ccfc4139a617fdf5d0f4738f0214e85cbc82946c4165ff2c2fe0013858. 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/65d23ea4-1441-4808-bed9-5f8e6d0be26d.json and https://artists.proofprofile.net/proofs/artist/65d23ea4-1441-4808-bed9-5f8e6d0be26d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).