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 0x68bfd2af31d996b5dc50408cbb5f7c93a69b0095096d61392acb82af2673e9f7. 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/c40e49f4-683a-4b87-904e-499b02987803.json and https://artists.proofprofile.net/proofs/artist/c40e49f4-683a-4b87-904e-499b02987803.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
The Best of Black Market Records, Verse 1 (Hounds of The Underground)
The Best of Black Market Records Verse 1 (Chopped & Screwed - Remixed Prescription)
Drama (Intro) - Chopped & Screwed - Remixed Prescription
Refuce 2 Looze - Chopped & Screwed - Remixed Prescription
Black Market - Chopped & Screwed - Remixed Prescription
40 Oz & Chronic - Chopped & Screwed - Remixed Prescription
Wanna Get High - Chopped & Screwed - Remixed Prescription
Had 2 Gat Ya - Chopped & Screwed - Remixed Prescription
Dhog House - Chopped & Screwed - Remixed Prescription
That Sickness - Chopped & Screwed - Remixed Prescription
Locc 2 Da Brain - Chopped & Screwed - Remixed Prescription
Taste da Hate - Chopped & Screwed - Remixed Prescription
Wit a Mask On - Chopped & Screwed - Remixed Prescription
Bloccstyle - Chopped & Screwed - Remixed Prescription
24 Deep - Chopped & Screwed - Remixed Prescription
Everyday Thang - Chopped & Screwed - Remixed Prescription
Still Shooting - Chopped & Screwed - Remixed Prescription
Watch Your Back - Chopped & Screwed - Remixed Prescription
www.blackmarketrec.com - Chopped & Screwed