Donald Oscar Banks (25 October 19235 September 1980) was an Australian composer of concert, jazz, and commercial music. Early life and education Jazz was Banks' earliest and strongest musical influen
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 0xceea0ec2f5cd9f3af2a9f642fae9599c4d7d66f02bfab5a1f4e64d849e95bc99. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/71a85d8f-58d6-40db-8010-d36dd8b4d4a9.json and https://artists.proofprofile.net/proofs/artist/71a85d8f-58d6-40db-8010-d36dd8b4d4a9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Trio for Horn, Violin and Piano: II. Adagio espressivo