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 0x01ac07eae895ddb0c26de64f3ceaaba47ece011bd3dce5658de84dba86402d18. 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/e27f4803-230c-4a93-b949-f54eb1bf8229.json and https://artists.proofprofile.net/proofs/artist/e27f4803-230c-4a93-b949-f54eb1bf8229.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0xf0dbb3eb2827b395fd40ae16953dac818c6506d2e2c41df319b79e963194b0cf","isrc":"JMA020601220","name":"Happy People","registered_at":"2026-06-22T12:51:59Z","spotify_id":"7bvdwWR5ZFwVcze6vJJUcQ","type":"track"}
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 0xf0dbb3eb2827b395fd40ae16953dac818c6506d2e2c41df319b79e963194b0cf. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7bvdwWR5ZFwVcze6vJJUcQ.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/7bvdwWR5ZFwVcze6vJJUcQ.
Plays Hits from Studio One and More - A Tribute, Vol. 2
Jackie Mittoo Meets Aggrovators & King Tubby
Playlist Jackie Mittoo and Tommy Mccook the Story
Jackie Mittoo Meets the Aggrovators and King Tubby
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x283766477f82a7c3ed41768ef433450f04d98e362c646041581d970817331c09. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4SiBVUqKfIBin5VH9LBzGS.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/4SiBVUqKfIBin5VH9LBzGS.
{"copyright_id":"0x24392f6a2967b2aa4a687a12aebcdf9508d697a36aafc9e53904f78184ee51a9","isrc":"GBQXA0700269","name":"In Love With You","registered_at":"2026-06-26T03:26:00Z","spotify_id":"3quoEMJo0DaggApg3eGejV","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24392f6a2967b2aa4a687a12aebcdf9508d697a36aafc9e53904f78184ee51a9. 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/3quoEMJo0DaggApg3eGejV.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/3quoEMJo0DaggApg3eGejV.
Jackie Mittoo Featuring Winston Wright At King Tubbys
Jackie Mittoo featuring Tommy McCook - The Collectors Box Set
Jackie Mittoo & Winston Wright Play Hits from Studio One
Dancing Groove Featuring Mallroy Williams-R
Bunny Striker Lee Presents Jackie Mittoo Platinum Edition
Jackie Mittoo Featuring Winston Wright at King Tubbys Platinum Edition
The Dub Express, Vol. 5 (Platinum Edition)
50 Greatest Hits Jackie Mitto and Friends
50 Greatest Hits Jackie Mittoo and Friends
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x283766477f82a7c3ed41768ef433450f04d98e362c646041581d970817331c09. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0H32QWyGyR4vSBtXEG9mrx.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/0H32QWyGyR4vSBtXEG9mrx.
Jackie Mittoo Meets King Tubby & The Aggrovators
Jackie Mittoo and Tommy Mccook the Story
Keys of Mystery (Bunny 'Striker' Lee 50th Anniversary Edition)
Reggae Master (Bunny 'Striker' Lee 50th Anniversary Edition)
Soul Jazz Records presents JACKIE MITTOO: Reggae Magic
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x525a6332fc1cdd2074515e9a7040a3a989bc7a5f886e66881f56cf033b46b8f4. 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/3doiI1kIFSvY8ikUT2VPzz.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/3doiI1kIFSvY8ikUT2VPzz.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1670f31a7581815848a0088c28e42c69f95f86a478220006b809e8332ab605f. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4ZFOEhvi4GLUiIE8EPLADh.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/4ZFOEhvi4GLUiIE8EPLADh.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3327678db975991b77f059be3cba0eae469b1d549913b37a59220757ddc3cff8. 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/54Xsj5HheCT3XpBh3slMKF.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/54Xsj5HheCT3XpBh3slMKF.
Studio One Ska Fever! More Ska Sounds from Sir Coxsone's Downbeat 1962-65
{"copyright_id":"0x609841dc190e4965b2d8d1adb41b327e1f11f7ca817016afa7bf0a3dc9f90e29","isrc":"GBUM71008399","name":"Dark Destroyer Dub - Norwegian Wood Dub","registered_at":"2026-06-24T18:08:30Z","spotify_id":"0Y6EEWICgjONyOcA8EoPgl","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x609841dc190e4965b2d8d1adb41b327e1f11f7ca817016afa7bf0a3dc9f90e29. 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/0Y6EEWICgjONyOcA8EoPgl.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/0Y6EEWICgjONyOcA8EoPgl.
Jackpot Presents 10 Inch Selection Vol.2
Soul Jazz Records Presents STUDIO ONE Black Man's Pride 2: Righteous Are The Sons And Daughters Of Jah
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0dbb3eb2827b395fd40ae16953dac818c6506d2e2c41df319b79e963194b0cf. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4dJnzTK7h9IzQWo1JVufCC.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/4dJnzTK7h9IzQWo1JVufCC.
Soul Jazz Records Presents Studio One Story
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f329617300a69d8493a0b89a0cc78dad78f6c255b5ea6285ffca47991652cc1. 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/4XOHLTfx8BmRO4piDKyHGw.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/4XOHLTfx8BmRO4piDKyHGw.
Soul Jazz Records presents STUDIO ONE DOWN BEAT SPECIAL (Expanded Edition)
Soul Jazz Records Presents Studio One Supreme: Maximum 70S and 80S Early Dancehall Sounds