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 0xbfced6a627c378cfb76070d915cf87651a8e27831ffe0d975909c729479d68e9. 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/cca1f4fd-4df6-4534-b78e-becc1444ed48.json and https://artists.proofprofile.net/proofs/artist/cca1f4fd-4df6-4534-b78e-becc1444ed48.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
The Mason Williams Phonograph Record (Mono)
Square Dance Call for the Affluent Society
I've Heard That Tear Stained Monologue You Do There By The Door Before You Go
I've Heard That Tear Stained Monologue...
The Brothers Theme (aka Smother Brothers Theme)
The Listening Matter (Digitally Remastered)
Square Dance Call For The Affluent Society
Classical Gas (Performed Live On The Ed Sullivan Show/1969)
Classical Gas - Performed Live On The Ed Sullivan Show 3/23/69
EP 2003 Music for the Epicurean Harkener
Weirdos After Midnight (feat. Byron Berline, John Hickman, Jerry Mills, Rick Cunha, Don Whaley & Hal Blaine)
Eddie I'm Ready (for Love) [feat. Evynne Hollens]
Triskelion (feat. David Bersch, Kate Kahn Williams & Michelle Van Handel)
Triskelion (feat. David Bersch, Michelle Van Handel & Kate Kahn Williams)
Skippin' Along On Top (feat. Byron Berline)
Cotton-Eyed Joe (feat. John Hickman & Byron Berline)
Cotton-Eyed Joe (feat. Byron Berline & John Hickman)
The Old Cane Press (feat. Byron Berline, John Hickman & Rick Cunha)
The Exciting Accident (feat. Rick Cunha, Byron Berline, Hal Blaine & Don Whaley)
The Exciting Accident (feat. Byron Berline, Hal Blaine, Don Whaley & Rick Cunha)
Doot-Doot (feat. Art Maddox, Rick Cuhna, Thom Bergeron & Hal Blaine)
Cowboy Buckaroos (feat. Byron Berline, Hal Blaine, Rick Cunha, Jerry Mills, Skip Conover & Don Whaley)
Cowboy Buckaroos (feat. Byron Berline, Jerry Mills, Rick Cunha, Don Whaley, Hal Blaine & Skip Conover)
Monroe's Hornpipe (feat. Byron Berline, Jerry Mills, John Hickman, Rick Cunha, Don Whaley & Hal Blaine)
The Brothers Theme (Aka Smother Brothers Theme)
The Dish - Music From The Motion Picture
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2cdaafb4083488a26c93017b03d8d135c169abff5856968259490eb6936e9ada. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5lvanf2GmVKlOCf8n1P6ja.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5lvanf2GmVKlOCf8n1P6ja.
Feuding Banjos - Bluegrass Banjo of the Southern Mountains
Mountain Breakdown (The Bluegrass Collection)
{"copyright_id":"0x7890f7f0765152f56fae6742c50edf23b8f5dacb7e4c4aaa54a5ba64f974d2ef","isrc":"GBAYD9400035","name":"Classical Gas","registered_at":"2026-06-06T10:30:14Z","spotify_id":"3mCmIKwRdK27teJG8iHTsy","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7890f7f0765152f56fae6742c50edf23b8f5dacb7e4c4aaa54a5ba64f974d2ef. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3mCmIKwRdK27teJG8iHTsy.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3mCmIKwRdK27teJG8iHTsy.
Classical Gas (feat. DJ Soloman) - Reggae Version
{"copyright_id":"0x86bbb02742786d056029dbcae16259cf63c99da3e7a473a7b67e9f9f18732b1b","isrc":"GBAYE9500023","name":"Classical Gas (feat. DJ Soloman) - Reggae Version","registered_at":"2026-06-21T01:23:41Z","spotify_id":"0T0ErHM3hD9HExvv6V9MNo","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86bbb02742786d056029dbcae16259cf63c99da3e7a473a7b67e9f9f18732b1b. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0T0ErHM3hD9HExvv6V9MNo.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0T0ErHM3hD9HExvv6V9MNo.
{"copyright_id":"0x86bbb02742786d056029dbcae16259cf63c99da3e7a473a7b67e9f9f18732b1b","isrc":"GBAYE9500023","name":"Classical Gas (feat. DJ Soloman) - Reggae Version","registered_at":"2026-06-21T01:23:41Z","spotify_id":"6q8thzd0VbjKlQQtTrQOtp","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86bbb02742786d056029dbcae16259cf63c99da3e7a473a7b67e9f9f18732b1b. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6q8thzd0VbjKlQQtTrQOtp.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6q8thzd0VbjKlQQtTrQOtp.