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 0x50c901868a3cf5964d36600723b133ddb722fdb1b53f6f7f9cdaec4343cc2364. 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/172bf5a8-a43d-482f-8690-68e5cb101ab9.json and https://artists.proofprofile.net/proofs/artist/172bf5a8-a43d-482f-8690-68e5cb101ab9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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 0xf5f1e73b2f588d1d3b2d22d3f95f56b30fd7a9762a9b2bea6656e17fbfe70c19. 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/06T2sE5jWpHhfrb9jUAwSU.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/06T2sE5jWpHhfrb9jUAwSU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc653354ec9ee5062881d4f80d4a4aac57784fc4183ffa43d057768370d97446. 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/0RVutVEuBVeGoi5LsNNhtK.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/0RVutVEuBVeGoi5LsNNhtK.
{"copyright_id":"0x100174921e1dbfcb3f1b253ea8e5dfe4a931c9d869d1d1761a66223724ae8c03","isrc":"QZ4JJ1665814","name":"Iztīri elpceļus","registered_at":"2026-06-08T04:40:39Z","spotify_id":"5erlZ2kGnDdtwRsePEoGjW","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x100174921e1dbfcb3f1b253ea8e5dfe4a931c9d869d1d1761a66223724ae8c03. 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/5erlZ2kGnDdtwRsePEoGjW.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/5erlZ2kGnDdtwRsePEoGjW.
{"copyright_id":"0xf97ac23ddc563a3ded1a9f0116c82f76dad2cb34335c8e25e25fb4937055e953","isrc":"QZ4JJ1665815","name":"Bārdas naža asmens","registered_at":"2026-06-11T13:45:30Z","spotify_id":"2dEtu08IKF5YoZUajqtkL0","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf97ac23ddc563a3ded1a9f0116c82f76dad2cb34335c8e25e25fb4937055e953. 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/2dEtu08IKF5YoZUajqtkL0.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/2dEtu08IKF5YoZUajqtkL0.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ead59215706d58059cc27718df04c595a7777cf7457f7d5719fed976068e95f. 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/0QYyRZbcKB2rKMVvwmrD7k.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/0QYyRZbcKB2rKMVvwmrD7k.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf305975777d9119753aea5dfcd1fb6ed10e586b8dcc463ae18f1a5aa24d0467c. 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/2WCIhJE5pAuZBTZ353auSM.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/2WCIhJE5pAuZBTZ353auSM.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb97e8f851cee4d30b5dd9fd841cb15077c06331f7b98c608e555c20fe1084dfa. 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/2i9y41lXzjE9H0z8ApsT3W.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/2i9y41lXzjE9H0z8ApsT3W.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e08a7a3301898a93c44e6b2062a5524a77bb64e7de34402a638b2d6e87b0d59. 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/2YoOcP9nbLGiKDUm00JkVD.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/2YoOcP9nbLGiKDUm00JkVD.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34fe4c53794784441b61202e83c8be0747461215f2cbaf30c80f10ea5787edaf. 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/67xVyhG8WCYSWx3PIwIERO.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/67xVyhG8WCYSWx3PIwIERO.
{"copyright_id":"0xb96f24c8289422fa4c090fbd52e63d7e7f7bf7e40366cb79b01db5e34fbe3ae0","isrc":"QZ4JJ1665822","name":"Šādi tas var notikt ar jums","registered_at":"2026-06-10T19:53:11Z","spotify_id":"1baQDX3ihflvpOxxCZaqt4","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb96f24c8289422fa4c090fbd52e63d7e7f7bf7e40366cb79b01db5e34fbe3ae0. 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/1baQDX3ihflvpOxxCZaqt4.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/1baQDX3ihflvpOxxCZaqt4.
{"copyright_id":"0x77775ba2e0030c049144aebdade25af345af944f78db4574d7d7a4eec160ab1b","isrc":"QZ4JJ1665823","name":"Ar kāju pa sirdi","registered_at":"2026-06-27T13:29:52Z","spotify_id":"398heuTMG9Dev58dXOBX7p","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77775ba2e0030c049144aebdade25af345af944f78db4574d7d7a4eec160ab1b. 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/398heuTMG9Dev58dXOBX7p.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/398heuTMG9Dev58dXOBX7p.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x665a7db0533c4cf9e533e4b2a21390e11e355e0f3c3e9258dc377548918e37af. 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/5VZscu05PTUpLFcWPAspdM.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/5VZscu05PTUpLFcWPAspdM.
{"copyright_id":"0x3c96cad6b35ddbb8a480fc849c702af9d78cf94aa6fac25609a3bf920209f478","isrc":"QZ4JJ1665825","name":"N šūnu","registered_at":"2026-06-24T18:21:09Z","spotify_id":"0jJRZnXo7HsfVDuMzOTjNp","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c96cad6b35ddbb8a480fc849c702af9d78cf94aa6fac25609a3bf920209f478. 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/0jJRZnXo7HsfVDuMzOTjNp.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/0jJRZnXo7HsfVDuMzOTjNp.
{"copyright_id":"0xf7ee5c6b89f088dfae01b0772b07ad5f299524e553cb6133dc4d0f32f9ee75f2","isrc":"QZ4JJ1665827","name":"Bling Bling","registered_at":"2026-06-23T14:21:25Z","spotify_id":"7uFzjFgIyqYHfD401GXAMt","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7ee5c6b89f088dfae01b0772b07ad5f299524e553cb6133dc4d0f32f9ee75f2. 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/7uFzjFgIyqYHfD401GXAMt.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/7uFzjFgIyqYHfD401GXAMt.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6bf7d65365c31d17e9e89387f69ebe931daf101c797094a7d2c04a69f98bac9. 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/7kLYxnQLHNEjsmGxmTYbUu.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/7kLYxnQLHNEjsmGxmTYbUu.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d72dd210d8507948616af2b384b4502fd25c02b9ba04e476182a3ddabdd20a9. 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/6F8SaGdRUQDq3yNLnt63qd.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/6F8SaGdRUQDq3yNLnt63qd.
{"copyright_id":"0xcb973c02f8780fd4ea0e804624ac19c505d5caab4ac3e326d227c924f3a6b973","isrc":"QZ4JJ1665830","name":"Nost no kātiem Kzr remikss","registered_at":"2026-06-25T09:52:43Z","spotify_id":"7LFErXe7JTd2YmEJKsJGOS","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb973c02f8780fd4ea0e804624ac19c505d5caab4ac3e326d227c924f3a6b973. 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/7LFErXe7JTd2YmEJKsJGOS.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/7LFErXe7JTd2YmEJKsJGOS.
{"copyright_id":"0x53751f1d4e4e318c54ef08380e66f864e977db8724bfd5983ad16dd1576539e7","isrc":"QZ4JJ1665831","name":"Planetāro miglāju sāga","registered_at":"2026-06-24T18:32:49Z","spotify_id":"4kidX1YIZPRCHmOkOae4iZ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53751f1d4e4e318c54ef08380e66f864e977db8724bfd5983ad16dd1576539e7. 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/4kidX1YIZPRCHmOkOae4iZ.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/4kidX1YIZPRCHmOkOae4iZ.
{"copyright_id":"0x99dfd1a4361fed13e56606a27fab94d921efe8f5e1582d2bfc06e17ffe0c3de2","isrc":"QZ4JJ1665832","name":"Pudeles kondomi ibumetīns","registered_at":"2026-06-07T02:14:21Z","spotify_id":"2U6Fmku32wY6ITjTd5hr9u","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99dfd1a4361fed13e56606a27fab94d921efe8f5e1582d2bfc06e17ffe0c3de2. 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/2U6Fmku32wY6ITjTd5hr9u.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/2U6Fmku32wY6ITjTd5hr9u.
{"copyright_id":"0x1ea64fe08b32bc3dbbaad78f340d00c78c0b5e47e140c87a5665564782c5169a","isrc":"QZ4JJ1665833","name":"Padari to labāku","registered_at":"2026-06-18T19:12:21Z","spotify_id":"2zeTjv3cOdAIJ8MXIEVOZG","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ea64fe08b32bc3dbbaad78f340d00c78c0b5e47e140c87a5665564782c5169a. 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/2zeTjv3cOdAIJ8MXIEVOZG.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/2zeTjv3cOdAIJ8MXIEVOZG.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8195e68e4e8952ab07de193962b0dc2dccbab892abe48e6b40c1b134601d9da1. 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/3GwtOSMDXa92OOfJQmuSWL.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/3GwtOSMDXa92OOfJQmuSWL.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe482db61dadc20228c94c4d1b17b0a35f616bc76997280526826803481446f2b. 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/7GYPuyytGGuWZIYY9IFzmz.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/7GYPuyytGGuWZIYY9IFzmz.
{"copyright_id":"0xb078c38b00b233e963c8dbc6a410e83edb65dd52c8c61b3154b49f90a9cae8a3","isrc":"QZHNB2154222","name":"LinkedIn meiča","registered_at":"2026-06-21T11:36:37Z","spotify_id":"74JHNzK3xWS9uGRqGJFTax","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb078c38b00b233e963c8dbc6a410e83edb65dd52c8c61b3154b49f90a9cae8a3. 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/74JHNzK3xWS9uGRqGJFTax.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/74JHNzK3xWS9uGRqGJFTax.
{"copyright_id":"0xce3262b60c26ecdd3691ebd787a7b30e9222e7c24ed710b0784df6856104a320","isrc":"QZHNB2154223","name":"Stabili ienākumi","registered_at":"2026-06-21T11:45:11Z","spotify_id":"5bHZ9KzK4nb7DgeABmyCSt","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce3262b60c26ecdd3691ebd787a7b30e9222e7c24ed710b0784df6856104a320. 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/5bHZ9KzK4nb7DgeABmyCSt.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/5bHZ9KzK4nb7DgeABmyCSt.
{"copyright_id":"0x0d2d03ae741e054eec4a5870bdaaf8f765b6298dbc680c39c8a7a9746e6321cb","isrc":"QZHNB2154226","name":"Labenieks - G-mix","registered_at":"2026-06-21T11:37:17Z","spotify_id":"3vWabmmi6USAcTb2zkspxV","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d2d03ae741e054eec4a5870bdaaf8f765b6298dbc680c39c8a7a9746e6321cb. 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/3vWabmmi6USAcTb2zkspxV.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/3vWabmmi6USAcTb2zkspxV.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x669069355bb5163374093a8f461668233bef422db8382ed28303da209479930a. 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/1FRZIuwKOQTF3VbebCJpwv.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/1FRZIuwKOQTF3VbebCJpwv.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7052a41485eab83ff0af4598c78f99b75e21a27121bf52a2d9598c438e772908. 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/550Q5DwDN4DZ9KuUnGOAKq.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/550Q5DwDN4DZ9KuUnGOAKq.
{"copyright_id":"0x0240a67df60d0dfcdbbf2c05c9749bf8431c59cc5674c546718ebf68add33786","isrc":"SE6A92317713","name":"Tilti un tuneļi","registered_at":"2026-06-19T17:41:55Z","spotify_id":"05cKTqmVoBMoLnOPkW1zYw","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0240a67df60d0dfcdbbf2c05c9749bf8431c59cc5674c546718ebf68add33786. 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/05cKTqmVoBMoLnOPkW1zYw.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/05cKTqmVoBMoLnOPkW1zYw.