Brujo is an album by the American country rock band New Riders of the Purple Sage. It is their fifth studio album, and their sixth album overall. It was recorded in 1974 and released that same year
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 0x3ee7933fe4f91d2680adb285dea4f6c6d8c604531c10e508c41d21bbdb7f54db. Chain 2 (Bitcoin): anchored in block 953933 (2026-06-16T11:13:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2047b930-4468-45de-a1a2-887a187f9d73.json and https://artists.proofprofile.net/proofs/artist/2047b930-4468-45de-a1a2-887a187f9d73.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).