JR, J. R. or Jr. may refer to: Arts and entertainment J R, a 1975 novel by William Gaddis J. R. Ewing, a Dallas television character JR Chandler, an All My Children television character JR, a 20
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 0x4e4adbd6374e226064b37ebabbd46e97379c76b1b13f17e90d779dfa77d33042. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/471ced28-0165-4489-a3bc-b1d6ce455b82.json and https://artists.proofprofile.net/proofs/artist/471ced28-0165-4489-a3bc-b1d6ce455b82.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).