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 0x1af646628736be0f9d01948a7719431f64d2a2d09cfc5901d69798151655c269. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a8479d4f-3912-4aad-96ad-deb4f80e1dce.json and https://artists.proofprofile.net/proofs/artist/a8479d4f-3912-4aad-96ad-deb4f80e1dce.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
See That My Grave's Kept Clean - Alternate Take
See That My Grave's Kept Clean (Alternate Take)
Blind Lemon Jefferson Vol. 1 (1925 - 1926)
The Complete Classic Sides Remastered: Chicago & Richmond 1929 Disc D
Sad News Blues / Peach Orchard Mama (Untraced Master)
The Complete Classic Sides Remastered: Chicago 1926 Disc A
The Complete Classic Sides Remastered: Atlanta & Chicago 1926 Disc B
The Complete Classic Sides Remastered: Chicago 1928 Disc C
Jazz Figures / Blind Lemon Jefferson, Volume 1, (1926 - 1927)
Jazz Figures / Blind Lemon Jefferson, Volume 2, (1927 - 1928)
Blind Lemon Jefferson's Texas Blues Vol 3
Blind Lemon Jefferson's Texas Blues Vol 2
Blind Lemon Jefferson's Texas Blues, Vol. 4
Blind Lemon Jefferson's Texas Blues Vol 1
Blind Lemon Jefferson (The Big Blues Collection)
Blind Lemon Jefferson (My Friend Blind Lemon)
Some Of These Days I'll Be Gone (Take 2)
The Hot 50 - Blind Lemon Jefferson (Fifty Classic Tracks)
The Blues Effect - Blind Lemon Jefferson
Best Recordings of Blind Lemon Jefferson
Instinctively the Blues - Blind Lemon Jefferson
The Blues Collective - Blind Lemon Jefferson
The Blues History - Blind Lemon Jefferson
Essential Classics, Vol. 695: Blind Lemon Jefferson
That Black Snake Moan - The Voice of the Delta
We're Listening to Jazz Through the Ages, Vol. 9
The Cornshucker's Frolic: Classic Recordings From The 1920's & 30's, Vol. 2
Saga Blues: Voodoo Blues "Hoodoo & Magical Practices"
Hard Times Come Again No More: Early American Rural Songs Of Hard Times And Hardships, Vol. 1
The Best Of Slide Guitar Blues - Guitar Rag
Gospel, Vol. 3: Guitar Evangelists and Bluesmen 1927-1944