El Gran Silencio is a rock en español band from Monterrey, Mexico. It blends a variety of rock, reggae, dancehall, and hip-hop influences with traditional Latin American musical forms such as cumbia,
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 0xd81a5d3ed723f41c5f2ab53446df3e2a01df9e089ff7a9be3f1de04cfcfe4691. Chain 2 (Bitcoin): anchored in block 953877 (2026-06-16T02:39:16Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/029e71e8-db02-4020-9774-5fccd9d328db.json and https://artists.proofprofile.net/proofs/artist/029e71e8-db02-4020-9774-5fccd9d328db.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).