Buklod was a Filipino folk rock band formed in the 1980s based in Metro Manila. Many of their songs were about social issues, including the environment and human rights.Some of their popular songs inc
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 0x56679acea555c8b60a2f67ae26ff15d6096766579eba4356c729a92bcaed3d08. Chain 2 (Bitcoin): anchored in block 953997 (2026-06-16T20:07:57Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2c9ac2c7-f0c5-47a8-8167-d3c3fe8d30ad.json and https://artists.proofprofile.net/proofs/artist/2c9ac2c7-f0c5-47a8-8167-d3c3fe8d30ad.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).