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 0x0b47e8f4bda5003aff8a37472fed1d39d05406a607669aed70d73a8d53e206ef. Chain 2 (Bitcoin): anchored in block 953717 (2026-06-15T01:05:33Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/87336e8e-e498-471f-a082-57c4b6fb9d91.json and https://artists.proofprofile.net/proofs/artist/87336e8e-e498-471f-a082-57c4b6fb9d91.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Hardcore Styles For Street Rap Preservation
Old School Loud Ass Music (Feat. Dj Deeboi Chirfrocka)
How U Dope (Feat. Toxic, Jaz, Dark Spark & Addict)
Go Ignat (feat. E-40, The Mossie, Turf Talk, & the Federation)
E-40 Presents: The Bay Bridges Compilation
Nick Wiz Presents: Cellar Sounds, Vol. 4: 1992-1998
The Bay Movement - Presented By Get Low Recordz
Gas, Break, Dip (feat. The Federation) - Dirty
The Best of E-40: Yesterday, Today and Tomorrow
On Top of My Hustle (feat. The Federation & Drew Deezy)