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 0x284b0298f1bff9632094492ffcd01b3bc689be7460b8a6ec8397955267da1e3f. 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/bda87bc6-fb34-40c6-8d4c-395a21b277d0.json and https://artists.proofprofile.net/proofs/artist/bda87bc6-fb34-40c6-8d4c-395a21b277d0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Let's Try Once Again - With Black Light Orchestra
Let's Try Once Again (Radio Version) [with Black Light Orchestra] - Bonus 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 0x17254d4b6cbb03707917f2d32c56e72fd0b70af1f590310daa0bf4e2b8967656. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7yvh9Wg7kuzNfnzAj9u8rM.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/7yvh9Wg7kuzNfnzAj9u8rM.
A Man & His Harmonica / Once Upon a Time in the West
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6fedb4c88b4af6c4028fc3f102362278bae86050e363c0d808493537889b839. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7B7ahFH2WQDdMH1FYqFFjO.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/7B7ahFH2WQDdMH1FYqFFjO.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4525b180012374a7c6b926bbada0894807b222dc18d901d8fe59efa4c041a18. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7iFgUUZx3elNQs5ohrIg1b.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/7iFgUUZx3elNQs5ohrIg1b.
Quand le soleil dit bonjour aux montagnes
{"copyright_id":"0xec785f972ed6f1f2030ecf2c77c19d396661670f9b30eafb980c45363ada0381","isrc":"CADC41003654","name":"J'ai oublié de vivre - Live","registered_at":"2026-06-29T18:04:54Z","spotify_id":"2WhEr3gzBbc6twLQaMLHgj","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec785f972ed6f1f2030ecf2c77c19d396661670f9b30eafb980c45363ada0381. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2WhEr3gzBbc6twLQaMLHgj.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/2WhEr3gzBbc6twLQaMLHgj.
{"copyright_id":"0x63d76e82a10ec973a21db9dace114b74da1e093cec09bfad99c5711421dfc2ef","isrc":"CADC41003674","name":"Let's Try Once Again","registered_at":"2026-06-05T22:15:41Z","spotify_id":"2QmyyCbq45dxV75JJDMVfN","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63d76e82a10ec973a21db9dace114b74da1e093cec09bfad99c5711421dfc2ef. 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/2QmyyCbq45dxV75JJDMVfN.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/2QmyyCbq45dxV75JJDMVfN.
Let's Try Once Again (feat. Judi Richards)
Qui est gagnant (feat. Laurence Jalbert)
{"copyright_id":"0x354a306b7e0c0a22000f8f4fedf6bb9bb60d3c8ad20edae5546aeaf28120e499","isrc":"CAU119003085","name":"La lumière de l'amour","registered_at":"2026-06-29T18:07:29Z","spotify_id":"4ee1nnmUrjD0MaJT3pUnT3","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x354a306b7e0c0a22000f8f4fedf6bb9bb60d3c8ad20edae5546aeaf28120e499. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4ee1nnmUrjD0MaJT3pUnT3.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/4ee1nnmUrjD0MaJT3pUnT3.
{"copyright_id":"0x6bed686e45a9f08376ef1ac69f5a38a28df1a79dd01c687fe0aa6be0ce650cdc","isrc":"CAU118803094","name":"Perce les nuages","registered_at":"2026-06-29T17:57:25Z","spotify_id":"02HLhDx9fb7DVXdLS8txdc","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6bed686e45a9f08376ef1ac69f5a38a28df1a79dd01c687fe0aa6be0ce650cdc. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/02HLhDx9fb7DVXdLS8txdc.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/02HLhDx9fb7DVXdLS8txdc.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0389e65bbf0aafbdf8077a938c9b7002d5b076165a2048d50ec4237d3656de8b. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/19dedn245aLD3j1FsNGX21.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/19dedn245aLD3j1FsNGX21.
Where I Come From (A Tribute To Hank Williams)
I Can't Help It (If I'm Still In Love With You)
{"copyright_id":"0xeecd3e641d638bd9c7fd7bf38ad4fa73b2438f9639777fd92c663021976ae49d","isrc":"CADC41104108","name":"Six heures moins quart","registered_at":"2026-06-29T17:51:45Z","spotify_id":"2ivG37c9QBrb81YnQVdSXM","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeecd3e641d638bd9c7fd7bf38ad4fa73b2438f9639777fd92c663021976ae49d. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2ivG37c9QBrb81YnQVdSXM.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/2ivG37c9QBrb81YnQVdSXM.
Quand l'amour te tend la main (feat. Jean-François Breau)
Comment le dire (feat. Marie-Eve Janvier)
S'aimer pour la vie (feat. Guylaine Tanguay)
Chanter pour rien (feat. Pierre Bertrand)
Les rois de Bourbon Street (feat. Manuel Tadros)
On part au soleil (feat. Virginie Cummins)
Plus fort que le vent (feat. Paul Daraîche)
Crois en l'amour (feat. Laurence Jalbert)
{"copyright_id":"0x62c45b528b35d3bf46f1129bdb55ff5ff3252b337b0ca6a42b8f6e74f9206e80","isrc":"CAN561700003","name":"Quand l'amour te tend la main","registered_at":"2026-06-21T04:11:28Z","spotify_id":"4H3x8s5SwyDwBTUSGwXWpY","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62c45b528b35d3bf46f1129bdb55ff5ff3252b337b0ca6a42b8f6e74f9206e80. 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/4H3x8s5SwyDwBTUSGwXWpY.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/4H3x8s5SwyDwBTUSGwXWpY.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f488c6212ebf99c95ead56a26275371458c44495808bd652977465626697a4e. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1cRLrp5QEzvRnAvtHrdhPX.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/1cRLrp5QEzvRnAvtHrdhPX.
{"copyright_id":"0x762a43c407fbd02ee1cdf520175f7b0c057770c1b7fdec866380d01aa2d9b377","isrc":"CAN561700005","name":"S'aimer pour la vie","registered_at":"2026-06-18T02:27:21Z","spotify_id":"6GTDmgZaMEllTgEYSBtU5S","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x762a43c407fbd02ee1cdf520175f7b0c057770c1b7fdec866380d01aa2d9b377. 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/6GTDmgZaMEllTgEYSBtU5S.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/6GTDmgZaMEllTgEYSBtU5S.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37f698b2091b3af162c47eba43ba5ec3ab700b172e8fc91301f561a0f719a12d. 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/2tSiUmIaPvh6N0IZL3tVkO.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/2tSiUmIaPvh6N0IZL3tVkO.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33911681fdd47b65a047384bdc11008e805ed607d96678b630fdbb98aac54b70. 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/30EUmtVIID6XynJyklrsRx.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/30EUmtVIID6XynJyklrsRx.
{"copyright_id":"0x1d67bbcee11159a683c1dcabd33779a606586a6b226a759b29ccbfd469279aff","isrc":"CAN561700012","name":"Crois en l'amour","registered_at":"2026-06-25T22:38:10Z","spotify_id":"2cEWkSV4QkTOKbPppDO25E","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d67bbcee11159a683c1dcabd33779a606586a6b226a759b29ccbfd469279aff. 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/2cEWkSV4QkTOKbPppDO25E.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/2cEWkSV4QkTOKbPppDO25E.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f1a36106950c2c285ab9e223d88304934880a95d8fd987d6a15873e945c6345. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4Nc7LtSJnhsJ4bo8j84KvH.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/4Nc7LtSJnhsJ4bo8j84KvH.
P.S. I Love Uke (Un hommage aux Beatles / A Beatles Tribute)
{"copyright_id":"0x02dece9fd729a6dda31b9f63dee4024a2de6eca06aba1c41d531d290494fd2e5","isrc":"CAK721441102","name":"La dame en bleu","registered_at":"2026-06-09T16:59:36Z","spotify_id":"2qLjc0a4mjjKktgBUB22NM","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02dece9fd729a6dda31b9f63dee4024a2de6eca06aba1c41d531d290494fd2e5. 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/2qLjc0a4mjjKktgBUB22NM.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/2qLjc0a4mjjKktgBUB22NM.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9b73600e8f2ccbe9df78f5902b50d18d6b31b06141a8a7ff8f8e77853506ee5. 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/2Scm3XhnrNbHbZkoQ2xivM.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/2Scm3XhnrNbHbZkoQ2xivM.
FATHER AND SON (v.f.) [feat. Patrick Norman]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa986848a87317c092008c33388a0b7b63509212a0917c5e9171115afbd118c78. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3KWVYdtgCM6eXUCfid6toI.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/3KWVYdtgCM6eXUCfid6toI.