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 0xa3fea05e12e0fca832aa27bde0f82e5903d606f635867f8d86d4960a7cbe0db3. 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/a860928e-868e-4ec3-bc7a-5a48d1f6eafe.json and https://artists.proofprofile.net/proofs/artist/a860928e-868e-4ec3-bc7a-5a48d1f6eafe.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Tramp Droppen (feat. Big Oso Loc, Smiley & Downer)
Northern Cali Rap Artists: The Family Reunion
I'm a Bad Mo Fcka (feat. Tweety, Tank, Lil Sneaky, Casper Capone & Eclipz)
Northern Cali Rap Artists: The Family Reunion, Pt. 2
Looney Tunes Cartoons (Original Soundtrack)