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 0xc586beeed6e1fb7fd8b124869a5bcb3a30ec036fac16284e1d0ee2c3357bbeea. Chain 2 (Bitcoin): anchored in block 953778 (2026-06-15T11:57:35Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c5f316c0-a844-4195-88db-769cabd189bc.json and https://artists.proofprofile.net/proofs/artist/c5f316c0-a844-4195-88db-769cabd189bc.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Campus Hop (Jazz Goes Dancing To Famous Songs By Harry Warren)
Sunday Afternoons at the Lighthouse Cafe
Plays Rodgers and Hart (Original Jazz Sound)
Plays Irving Berlin (Original Jazz Sound)
Jazz Goes Dancing - Prom to Prom & Campus Hop
The Dave Pell Octet Plays Irving Berlin (Remastered)
The Dave Pell Octet Plays Rodgers & Hart (2013 Remastered Version)
Campus Hop - Jazz Goes Dancing to Famous Songs by Harry Warren
The Dave Pell Octet Plays Rodgers & Hart