Nicanor Santa Ana Abelardo (February 7, 1893 – March 21, 1934) was a Filipino composer known for his kundiman songs. Biography Early life Nicanor Abelardo was born in San Miguel de Mayumo, Bulac
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 0x2d028ec6ecff7044bcf6d6b2113cee53146b982609bd50fa5d049c3d87b1efa1. Chain 2 (Bitcoin): anchored in block 954555 (2026-06-20T12:10:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ab634709-40ee-47a4-8991-1c5c2c335c0e.json and https://artists.proofprofile.net/proofs/artist/ab634709-40ee-47a4-8991-1c5c2c335c0e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
First Nocturne in C# Minor (Piano Cover)