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 0x80b962fb58c4f51e3c0f51caa972d4c15f31c32561d9e04c9ff2c76fd90f0a85. 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/a1b661a2-fea6-4164-9877-ccedae65bdb4.json and https://artists.proofprofile.net/proofs/artist/a1b661a2-fea6-4164-9877-ccedae65bdb4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
A Time for Us (From "Romeo and Juliette")
{"copyright_id":"0x2fdd524b207cc2cdb5460e2e96aefb8fc16d3f454c34213c75e214bb16ea590e","isrc":"CALC41100751","name":"A Time for Us (From \"Romeo and Juliette\")","registered_at":"2026-06-04T12:40:27Z","spotify_id":"0za6HhjZw6LwCIDdBl92Vm","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 0x2fdd524b207cc2cdb5460e2e96aefb8fc16d3f454c34213c75e214bb16ea590e. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0za6HhjZw6LwCIDdBl92Vm.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/0za6HhjZw6LwCIDdBl92Vm.
The Chairman's Waltz (From "Memoirs of a Geisha")
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33808d642374b05e79318368d6b127fc06041e4dc79eb7c74f321196e4ba728d. 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/2y60OAWEEFw1ZZH2664EyD.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/2y60OAWEEFw1ZZH2664EyD.
Two Socks – The Wolf Theme and The John Dunbar Theme (From "Dances With Wolves")
{"copyright_id":"0xef73d976b55edd8ef6c80646d7607b42494e92a3ec60f416d4bbbaf9ec836c63","isrc":"CALC41100753","name":"Two Socks – The Wolf Theme and The John Dunbar Theme (From \"Dances With Wolves\")","registered_at":"2026-06-11T04:19:52Z","spotify_id":"4otae6iBsZEA17b0aMCpa0","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef73d976b55edd8ef6c80646d7607b42494e92a3ec60f416d4bbbaf9ec836c63. 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/4otae6iBsZEA17b0aMCpa0.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/4otae6iBsZEA17b0aMCpa0.
{"copyright_id":"0xda0a1dee6fdd794b2c0120366b9a68555df14f97b39dc1689c0a271983a36f06","isrc":"CALC41100754","name":"Love Theme (From \"Cinema Paradiso\")","registered_at":"2026-06-10T16:21:00Z","spotify_id":"75l0ApXEbgukn402bRBEuN","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda0a1dee6fdd794b2c0120366b9a68555df14f97b39dc1689c0a271983a36f06. 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/75l0ApXEbgukn402bRBEuN.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/75l0ApXEbgukn402bRBEuN.
Concerning Hobbits (From "Lord of the Rings: The Fellowship of the Rings")
{"copyright_id":"0xb06ee2b9d7551dfda6a0763b7a5c83424aa27231c6977fe9891bd27d4c8e5c4c","isrc":"CALC41100755","name":"Concerning Hobbits (From \"Lord of the Rings: The Fellowship of the Rings\")","registered_at":"2026-06-10T16:20:07Z","spotify_id":"3RK8covziFydo892F7FBP1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb06ee2b9d7551dfda6a0763b7a5c83424aa27231c6977fe9891bd27d4c8e5c4c. 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/3RK8covziFydo892F7FBP1.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/3RK8covziFydo892F7FBP1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f5973df9a76b74b540601afabbc91b7376aab598f7c85449a0b0e748188251e. 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/4TJdGNi20rPvE4HZ1sLDx8.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/4TJdGNi20rPvE4HZ1sLDx8.
Convento Di Sant'Anna (From "The English Patient")
{"copyright_id":"0x07925be8a5714b36901efa6b7215ed0e3db291953d50472a67ce5c0890d57fc3","isrc":"CALC41100757","name":"Convento Di Sant'Anna (From \"The English Patient\")","registered_at":"2026-06-08T02:20:12Z","spotify_id":"3VldVHnZv26RlSStNs5iUa","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07925be8a5714b36901efa6b7215ed0e3db291953d50472a67ce5c0890d57fc3. 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/3VldVHnZv26RlSStNs5iUa.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/3VldVHnZv26RlSStNs5iUa.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b36476b6ea947e8d88e0cd9927474ed6b2aee65e954886738aef174fdc2489c. 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/0aeTQUo8yhF3k6VWcQvqSf.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/0aeTQUo8yhF3k6VWcQvqSf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46cd13a0079f88a975d1968dc52e258ea119a6733f9a77c5f9992a64002418f1. 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/3S7YpbWb99gJSlU5e812BF.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/3S7YpbWb99gJSlU5e812BF.
Soy Marco (From "Talk to Her (Hable Con Ella)")
{"copyright_id":"0xb6f1ed3813b2fbe50eccf72e8732e32dbddf9776156023e25d5b4e393f233251","isrc":"CALC41100760","name":"Soy Marco (From \"Talk to Her (Hable Con Ella)\")","registered_at":"2026-06-08T02:28:29Z","spotify_id":"11pgYPpViYqlp9vxLqaaHr","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6f1ed3813b2fbe50eccf72e8732e32dbddf9776156023e25d5b4e393f233251. 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/11pgYPpViYqlp9vxLqaaHr.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/11pgYPpViYqlp9vxLqaaHr.
{"copyright_id":"0x2c09db6b8738590f8ac636ea129a209bd9438642c10f3ca158fb8f7544b780fd","isrc":"CALC41100761","name":"Por una Cabeza (From \"Parfum de femme\")","registered_at":"2026-06-05T07:13:12Z","spotify_id":"7FZeb3WUrCInAITFu9ZLJ8","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c09db6b8738590f8ac636ea129a209bd9438642c10f3ca158fb8f7544b780fd. 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/7FZeb3WUrCInAITFu9ZLJ8.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/7FZeb3WUrCInAITFu9ZLJ8.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a28d8e6db43f9b6695b4ca57378c92bd815f28e7d96a195fe7b5a525507c0b4. 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/5FqUxbMD1lERhaejPm7yhg.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/5FqUxbMD1lERhaejPm7yhg.
Marian and Robin (From "The Adventures of Robin Hood")
{"copyright_id":"0x0f1a60108a09914577f05ba3010af3f4e12b4ca5a740a1764dc8aea798590051","isrc":"CALC41100763","name":"Marian and Robin (From \"The Adventures of Robin Hood\")","registered_at":"2026-06-08T11:17:11Z","spotify_id":"5lXXjSHmJqbtHeOMTZYY5M","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f1a60108a09914577f05ba3010af3f4e12b4ca5a740a1764dc8aea798590051. 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/5lXXjSHmJqbtHeOMTZYY5M.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/5lXXjSHmJqbtHeOMTZYY5M.
Over the Rainbow (From "The Wizard of Oz")
{"copyright_id":"0xb460ecb7e6a1d3a364254a398a28bb6720b34101a520098b4db738f7e58fa094","isrc":"CALC41100764","name":"Over the Rainbow (From \"The Wizard of Oz\")","registered_at":"2026-06-22T03:58:14Z","spotify_id":"6JgYdxlaAJcve0RKpGAnJ4","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb460ecb7e6a1d3a364254a398a28bb6720b34101a520098b4db738f7e58fa094. 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/6JgYdxlaAJcve0RKpGAnJ4.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/6JgYdxlaAJcve0RKpGAnJ4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x671f8e020411b2c631723119247a091451a3041a1412921bf73cbcb3f568a3f3. 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/0PzO8rUMj3Wxku7glXAUnW.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/0PzO8rUMj3Wxku7glXAUnW.
Princess Mononoke (From "Princess Mononoke")
{"copyright_id":"0x7d6554152063bad4b9bf4a9c322c55c5b1806d8e9386982afd377c1fe9fbf15b","isrc":"CALC40600369","name":"Princess Mononoke (From \"Princess Mononoke\")","registered_at":"2026-06-20T03:59:30Z","spotify_id":"5F91ppn80SRzWQVEMOveB1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d6554152063bad4b9bf4a9c322c55c5b1806d8e9386982afd377c1fe9fbf15b. 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/5F91ppn80SRzWQVEMOveB1.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/5F91ppn80SRzWQVEMOveB1.
A Fairy Tale (From "L'Odyssée d'Alice Tremblay")
{"copyright_id":"0x4f160c0c6fe62ff1532225873e19144e5947c9de29fe46d61498f4a2a7dbc7e6","isrc":"USA370523855","name":"A Fairy Tale (From \"L'Odyssée d'Alice Tremblay\")","registered_at":"2026-06-25T07:37:48Z","spotify_id":"1x9FmDUYMkjkKpXGjJWvnd","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f160c0c6fe62ff1532225873e19144e5947c9de29fe46d61498f4a2a7dbc7e6. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1x9FmDUYMkjkKpXGjJWvnd.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/1x9FmDUYMkjkKpXGjJWvnd.
{"copyright_id":"0xbd7366e192566a2bf4648ee7d9c537bf4374ea09d74de084966992f03cfa463b","isrc":"USA370523839","name":"Cavatina (From \"The Deer Hunter\")","registered_at":"2026-06-21T21:10:56Z","spotify_id":"0vIgEvNqUi7gqHPGmLkrMa","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd7366e192566a2bf4648ee7d9c537bf4374ea09d74de084966992f03cfa463b. 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/0vIgEvNqUi7gqHPGmLkrMa.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/0vIgEvNqUi7gqHPGmLkrMa.
Schindler's List (From "Schindler's List")
{"copyright_id":"0xa4c0db62c4a5d5ebebbd38c4b9ee3a48bede7ffe4dee56b547e73ef05ba2c9f7","isrc":"USA370523836","name":"Schindler's List (From \"Schindler's List\")","registered_at":"2026-06-20T04:03:10Z","spotify_id":"3fdufDPpugtqePrzLdt8j5","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4c0db62c4a5d5ebebbd38c4b9ee3a48bede7ffe4dee56b547e73ef05ba2c9f7. 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/3fdufDPpugtqePrzLdt8j5.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/3fdufDPpugtqePrzLdt8j5.
{"copyright_id":"0x7dc5bbb338d71389723e94a5ce1980d58ccd66de407012f47b5822bc1de466df","isrc":"USA370523851","name":"The Mission (From \"The Mission\")","registered_at":"2026-06-18T13:20:05Z","spotify_id":"7yFPBhYPvNc2KnOricarYF","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7dc5bbb338d71389723e94a5ce1980d58ccd66de407012f47b5822bc1de466df. 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/7yFPBhYPvNc2KnOricarYF.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/7yFPBhYPvNc2KnOricarYF.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa59d5f4c1235f559338323b36f827f38ed41c77b896ec19dd286c7d75b4f8226. 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/4xhn631zuwdvqwqHzNKwVP.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/4xhn631zuwdvqwqHzNKwVP.
{"copyright_id":"0xf2d6f4953a9db69beb511d8c0ced1097b068b164cb51093976a75d02e9c52723","isrc":"CALC41000102","name":"Cantus in memoriam Benjamin Britten","registered_at":"2026-06-08T18:31:36Z","spotify_id":"1EgMeDgNZqhEolnXUdjBJi","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2d6f4953a9db69beb511d8c0ced1097b068b164cb51093976a75d02e9c52723. 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/1EgMeDgNZqhEolnXUdjBJi.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/1EgMeDgNZqhEolnXUdjBJi.
{"copyright_id":"0x8a364f4882c227619cff7bb7b0199b23926ae5a5ad9e6db3f5391da1222e4a5e","isrc":"CALC41000103","name":"Tabula Rasa: I. Ludus","registered_at":"2026-06-08T18:26:00Z","spotify_id":"7fjCjhCZdR0gSPVyv3DluQ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a364f4882c227619cff7bb7b0199b23926ae5a5ad9e6db3f5391da1222e4a5e. 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/7fjCjhCZdR0gSPVyv3DluQ.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/7fjCjhCZdR0gSPVyv3DluQ.
{"copyright_id":"0xc45f37e514da3de3b7abdb8b8149fe708991187751e2ec4fb147af5f99c6af10","isrc":"CALC41000104","name":"Tabula Rasa: II. Silentium","registered_at":"2026-06-09T05:57:39Z","spotify_id":"3apf8MNaWlrXdtd1JcbEi1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc45f37e514da3de3b7abdb8b8149fe708991187751e2ec4fb147af5f99c6af10. 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/3apf8MNaWlrXdtd1JcbEi1.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/3apf8MNaWlrXdtd1JcbEi1.
{"copyright_id":"0x62cb8697414ac0801eab6d1966f74a056fddd497bb50d9de5d37daf6209593bb","isrc":"CALC41000105","name":"Wallfahrtslied (Pilgrim's Song)","registered_at":"2026-06-19T04:52:51Z","spotify_id":"0BJIlULT9uowv1f4fHAR9v","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62cb8697414ac0801eab6d1966f74a056fddd497bb50d9de5d37daf6209593bb. 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/0BJIlULT9uowv1f4fHAR9v.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/0BJIlULT9uowv1f4fHAR9v.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd027b06e75edcfd4e42b9ddbb3ccb27949936a84c99e5a690819428cbb9eeced. 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/2zRrK3QAjrR3JlrgmKqJYs.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/2zRrK3QAjrR3JlrgmKqJYs.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6372dcefe7099766d54742a993864e9e70d6483dd1d092c03ccde6089166fb5c. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7zHd9LxIZB8WKosSWN9Umj.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/7zHd9LxIZB8WKosSWN9Umj.
Les Inestimables Chroniques Du Bon Géant Gargantua
Sérénade B E A: Andantino Con Moto, Quasi Moderato - Allegro Non Troppo
Sinfonia Per Archi, R.V. 146: I. Allegro (Vivaldi)
Sinfonia Per Archi, R.V. 146: II. Andante Vivace (Vivaldi)
Sinfonia Per Archi, R.V. 146: III. Allegro (Vivaldi)