The bluebirds are a North American group of medium-sized, mostly insectivorous or omnivorous passerine birds in the genus Sialia of the thrush family (Turdidae). Bluebirds are one of the few thrush ge
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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ed39ea39508b9e40b1e52c075ee6e8ae1b1b3b56b1d28cac79c46b2a8580856. Chain 2 (Bitcoin): anchored in block 954346 (2026-06-19T03:51:26Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/997abf7a-19cc-4930-92b7-d884962c74d3.json and https://artists.proofprofile.net/proofs/artist/997abf7a-19cc-4930-92b7-d884962c74d3.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).