1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 artist was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf07b1cf3e7f6692113478c22450676f657ef0ce44d369b11a2bf45a70d262bca. Chain 2 (Bitcoin): anchored in block 953768 (2026-06-15T09:30:06Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/bf086439-9175-4947-9c9b-8257be9de7c6.json and https://artists.proofprofile.net/proofs/artist/bf086439-9175-4947-9c9b-8257be9de7c6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Dance Of The Comedians from "The Bartered Bride"
The Warner Bros. Fanfare / Merrily We Roll Along (The Merrie Melodies Theme)
That's All Folks! (Merrie Melodies Theme)
The Warner Bros. Fanfare / Merrie Melodies Theme
I Love To Singa Medley - Looney Tunes Sings!
Merrie Melodies Theme / That's All Folks