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 entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd92ac9432791589dffe33ae0d6a662caf7120229b24793d410639e6b7c583e6. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3eb11c9d-89ef-4d51-a899-35909adfaf4d.json and https://artists.proofprofile.net/proofs/artist/3eb11c9d-89ef-4d51-a899-35909adfaf4d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Why Do We Keep Holding On To A Heartache?
Late Last Night - Live At The Iron Horse Music Hall, Northampton, Mass. / April 13 & 14, 1995
True Historia - Live At The Iron Horse Music Hall, Northampton, Mass. / April 13 & 14, 1995
Aragon Mill - Live At The Iron Horse Music Hall, Northampton, Mass. / April 13 & 14, 1995
Economical Talk - Live At The Iron Horse Music Hall, Northampton, Mass. / April 13 & 14, 1995
John Henry - Live At The Iron Horse Music Hall, Northampton, Mass. / April 13 & 14, 1995
A Pitiful Thing - Live At The Iron Horse Music Hall, Northampton, Mass. / April 13 & 14, 1995
The Cowboy Song - Live At The Iron Horse Music Hall, Northampton, Mass. / April 13 & 14, 1995
Housework Is My Life - Live At The Iron Horse Music Hall, Northampton, Mass. / April 13 & 14, 1995
Red Rocking Chair - Live At The Iron Horse Music Hall, Northampton, Mass. / April 13 & 14, 1995
Cultural Exchange - Live At The Iron Horse Music Hall, Northampton, Mass. / April 13 & 14, 1995
Someone Play Dixie For Me - Live At The Iron Horse Music Hall, Northampton, Mass. / April 13 & 14, 1995
Hambone / Balo's Song - Live At The Iron Horse Music Hall, Northampton, Mass. / April 13 & 14, 1995
Testosterone Poisoning - Live At The Iron Horse Music Hall, Northampton, Mass. / April 13 & 14, 1995
Midnight On The Stormy Deep - Live At The Iron Horse Music Hall, Northampton, Mass. / April 13 & 14, 1995
Banjo Jokes - Live At The Iron Horse Music Hall, Northampton, Mass. / April 13 & 14, 1995
Blue Grass Breakdown - Live At The Iron Horse Music Hall, Northampton, Mass. / April 13 & 14, 1995
Band Introductions - Live At The Iron Horse Music Hall, Northampton, Mass. / April 13 & 14, 1995
World's Greatest Folksinger - Live At The Iron Horse Music Hall, Northampton, Mass. / April 13 & 14, 1995
Hard Times - Live At The Iron Horse Music Hall, Northampton, Mass. / April 13 & 14, 1995
Goin' Up On The Mountain - Live At The Iron Horse Music Hall, Northampton, Mass. / April 13 & 14, 1995
Walk The Streets Of Glory - Live At The Iron Horse Music Hall, Northampton, Mass. / April 13 & 14, 1995
Rollin' On Rubber Wheels - Live At The Newburyport Firehouse, Newburyport, MA
Cas Wallin, World's Greatest Ballad Singer - Live
Banjo Pickin' Vs. Modern Country Music - Live
Bill Monroe Through The Crack In The Curtains - Live
Massachusetts Epithets / War Has Always Been Hell - Live
Hippies, Beatniks And Power Easements - Live
Green Pastures And Equine Dignity - Live
Going Up Home to Line in Green Pastures - Live
The Orphan Train - Live At The Newburyport Firehouse, Newburyport, MA
(You Got To Pray To The Lord) When You See Those Flying Saucers
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78ff0a27d69ab8c29f40a1e5ce7bbed2b9e2224d74a30c9e721ed246d3bf7116. Chain 2 (Bitcoin): anchored in block 957810 (2026-07-13T05:55:46Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRO20957405.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7afd004a2f149701875eb11cfa29b73279825573e7cd5f28ae55bf66e26a66e3. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRO20957409.