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 0x2b90f3439dba58985244c80a8ee4cc90f9baa5a654016b0b5102805dc8bedb58. 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/49f0e731-2ac5-4632-8641-0e008d7edc4c.json and https://artists.proofprofile.net/proofs/artist/49f0e731-2ac5-4632-8641-0e008d7edc4c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Fish Cheer / I Feel Like I'm Fixin To Die Rag - live
Paradise With An Ocean View (Remastered)
Your Last Few Records Just Didn't Make It
Star Yeck (Voyage of the Good Ship Undersize)
Return of Sweet Lorraine / Not So Sweet Martha Lorraine
Fish Cheer / I-Feel-Like-I'm-Fixin'-To-Die Rag
Old Paint (The Horse With a Union Label)
"Cookies speak louder than words"/Erotic writing by Woody Guthrie
"Oklahoma where it all began"/So Long It's Been Good to Know Ya
Fish Cheer / I Feel Like I’M Fixin’ To Die Rag - Live
Bread And Roses: Festival Of Acoustic Music, Vol. 1 (Live At The Greek Theater / Berkeley, CA / 1977)
Dylan, Cash, and the Nashville Cats: A New Music City
Save The Whales - Live at the Berkeley Community Theater, 4/25/1981
Bear's Sonic Journals: Sing Out! (Live at the Berkeley Community Theater, 4/25/1981)
Janis - Live at the Berkeley Community Theater, 4/25/1981
Picks & Lasers - Live at the Berkeley Community Theater, 4/25/1981
Slide Trombone Blues - Live at the Berkeley Community Theater, 4/25/1981
Oh! Susanna - Live at the Berkeley Community Theater, 4/25/1981
Yankee Doodle (He's No Fool) - Live at the Berkeley Community Theater, 4/25/1981
Country Joe Dedicates Tonight's Cheer - Live at the Berkeley Community Theater, 4/25/1981
Feel-Like-I'm-Fixin'-to-Die Rag - Live at the Berkeley Community Theater, 4/25/1981