Jacques Brautbar (born March 14, 1979) is an American composer, musician, and photographer, formerly of rock band Phantom Planet. Biography Brautbar was born in Los Angeles on March 14, 1979. He be
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 0xc315d86d0d968108b5fda9a8a0a9c6ed63f65ed91e6d19f428a2666be263fddd. Chain 2 (Bitcoin): anchored in block 954587 (2026-06-20T19:10:41Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/bccc6ee4-f67c-48db-b345-d49fa965d495.json and https://artists.proofprofile.net/proofs/artist/bccc6ee4-f67c-48db-b345-d49fa965d495.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Skywalkers: A Love Story (Original Score)
How to Come Alive with Norman Mailer (Original Score)