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 0xca335a19cc28bdc51b385358bc961bdf7f91054d7dff8cf5ce89ca24d1145400. Chain 2 (Bitcoin): anchored in block 953630 (2026-06-14T12:06:27Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/306689ad-f1c3-4357-9bf4-6ed5ad616d8d.json and https://artists.proofprofile.net/proofs/artist/306689ad-f1c3-4357-9bf4-6ed5ad616d8d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
YP $poelstra: Heat Vol. 1 (Deluxe Edition)
YP $poelstra: Heat Vol. 2 (Deluxe Edition)
YP $poelstra: Heat Vol. 3 (Deluxe Edition)
Blap Bros., Vol. 2 (feat. J.Cash1600) - EP
Blap Bros, Vol. 3 (feat. J.Cash1600) - EP
The Richmond Standard (feat. J.Cash1600) - EP
Makin' Moves (feat. J.Cash1600 & Wet Money E)
The Richmond Standard, Vol. 2 (feat. J.Cash1600) - EP
The Game (feat. J.Cash1600 & Kuzzn Bank)
The Smokers Club, Vol. 2 (feat. J.Cash1600)
Believe Me (feat. J.Cash1600 & Mouton500)
The Smokers Club, Vol. 3 (feat. J.Cash1600)
Himmy Hardaway, Vol. 1 (feat. J.Cash1600)
The Movement (feat. Dom G, I.Cash & Yponthebeat)
Freaky Tales 2013 (feat. Yponthebeat, Crissy, Dom G & Dummyjosh)