RR, Rr or rr may refer to: Arts and entertainment RR (film), a 2007 experimental film by James Benning Red Ribbon Army, a fictional army in the Dragon Ball series Ruff Ryders Entertainment, a reco
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 0x9bc65bc91052af00b6b02ebd0cb906a2857ec1638b016ce6e1f8f1a0b3ab453f. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8f4cb3c2-8bab-45a4-b8ba-b0a8c42b0fe1.json and https://artists.proofprofile.net/proofs/artist/8f4cb3c2-8bab-45a4-b8ba-b0a8c42b0fe1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).