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 0x093b01885e43f34aaffa9f2474b4a48fc1d1e321567afbbe983a5d2ca8e5ae55. 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/28e641ee-49b4-4d5e-8fa6-87def3d5775a.json and https://artists.proofprofile.net/proofs/artist/28e641ee-49b4-4d5e-8fa6-87def3d5775a.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 0xe4155cc0d3efac23b953603f4e17be7ee61dc9586d1e8c02a85457e39f8249d2. 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/1Zpl5IepyHKBkxA91SDFbT.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/1Zpl5IepyHKBkxA91SDFbT.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68e9534dbc8956fca06424c5e7be347ff81d430e54f4f5d618bfca5d9967ca96. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4SOvVdHv6MER26HZPClKSI.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/4SOvVdHv6MER26HZPClKSI.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c8ea6361f4f97c158e40101f0cea92b463e6f512094c3e033dd1fe60d4d70e1. 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/6mEs3cCqVengBeInTnzyJC.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/6mEs3cCqVengBeInTnzyJC.
{"copyright_id":"0x2cb67aaa7f8e863b878e1a9b25edcb7e6484fa1d7066e6d91058aad988f7d79a","isrc":"BEI019003201","name":"Verliefd op Chris Lomme","registered_at":"2026-06-05T18:44:35Z","spotify_id":"5lalADMU2ZuEBivW2iky0V","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2cb67aaa7f8e863b878e1a9b25edcb7e6484fa1d7066e6d91058aad988f7d79a. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5lalADMU2ZuEBivW2iky0V.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/5lalADMU2ZuEBivW2iky0V.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85dfd793978849464c767fc390254deb54c594a95e64720176fc700ab2a1f55f. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3gn8asATwmh86KnDEWryfR.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/3gn8asATwmh86KnDEWryfR.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xffaa515fb636ae238dcad26e755fa8d8afc906b2fc7a5c65704e9233968422b0. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2B9FvCBng8at1Ty0mPgfOi.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/2B9FvCBng8at1Ty0mPgfOi.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf449028ca23956828c6461b64c3bf3b9099bbac8050995967198f3ff05a0166d. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3t3NL4a1NFkiIMFWK5P97v.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/3t3NL4a1NFkiIMFWK5P97v.
Verliefd op Chris Lomme - Live in AB 2019
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1a9f565951b85fa56457c9a4f88ce8423666cf4d7d2026ec714f32c62d0335e. 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/4tmR19wZECDSGNiD2BtAaQ.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/4tmR19wZECDSGNiD2BtAaQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4155cc0d3efac23b953603f4e17be7ee61dc9586d1e8c02a85457e39f8249d2. 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/273tQPryjrhviHolX8Dkpm.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/273tQPryjrhviHolX8Dkpm.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b243b50e29251066a1c321802b56f3134e3ec890b79e37b3136f72a38228fd5. 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/47GJMp5usESDr2S2MyXize.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/47GJMp5usESDr2S2MyXize.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63b1fbdb199327f73aefd4a7e8d6f1f50bf52494857181167d6e26b48cdb2614. 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/6CpbOCuVpBMVpMiGj2hr2I.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/6CpbOCuVpBMVpMiGj2hr2I.
{"copyright_id":"0xd965cf57335191939080b7dd86d825b8a56be22fecd5539d4ce36ad84ab3831f","isrc":"BEI019803219","name":"Ik dans wel met mezelf","registered_at":"2026-06-20T13:50:44Z","spotify_id":"5s5bHujtGhXMqVERZKalG4","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd965cf57335191939080b7dd86d825b8a56be22fecd5539d4ce36ad84ab3831f. 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/5s5bHujtGhXMqVERZKalG4.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/5s5bHujtGhXMqVERZKalG4.
{"copyright_id":"0x9ef445c93dc41f5b4ac52859c6bd226a385d8cc808fe09184d804879e6acdba3","isrc":"BEI019003217","name":"Zij heeft stijl","registered_at":"2026-06-06T20:03:14Z","spotify_id":"66vaGIBJH7UytAI6LpzQZj","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ef445c93dc41f5b4ac52859c6bd226a385d8cc808fe09184d804879e6acdba3. 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/66vaGIBJH7UytAI6LpzQZj.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/66vaGIBJH7UytAI6LpzQZj.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaefdb1f593260ed181abffe256fdd7c326feed3ae0c1379922b5b0cbaf32446c. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T19:49:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4Mp0Vw7hNEu8EdIeiBBzy0.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/4Mp0Vw7hNEu8EdIeiBBzy0.
{"copyright_id":"0x02865dead6a195fa336c0c94a9fd6f58e202c2d66f494c8be95f07fd22945652","isrc":"BEI019803218","name":"Het regent meer dan vroeger","registered_at":"2026-06-27T19:31:35Z","spotify_id":"4FMkloPIS1vrA8Dyore7w1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02865dead6a195fa336c0c94a9fd6f58e202c2d66f494c8be95f07fd22945652. 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/4FMkloPIS1vrA8Dyore7w1.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/4FMkloPIS1vrA8Dyore7w1.
{"copyright_id":"0xc5ae153e3abce6ea02ff8c09b2bb4b0466c160bb7a90ffbaf77452fb2670769e","isrc":"BEI019003233","name":"Cous-cous kreten","registered_at":"2026-06-18T07:15:48Z","spotify_id":"7y8gIkkkJY28yQ6NnxVRHD","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5ae153e3abce6ea02ff8c09b2bb4b0466c160bb7a90ffbaf77452fb2670769e. 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/7y8gIkkkJY28yQ6NnxVRHD.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/7y8gIkkkJY28yQ6NnxVRHD.
{"copyright_id":"0xa2041be8deb2d8a5206dd87e8a11eb88c511436b6f9566a779d407e7159daf87","isrc":"BEI019803228","name":"Wat komen moet dat komt","registered_at":"2026-06-25T00:04:34Z","spotify_id":"79YDVh2wARUBZFA1JGVWAW","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2041be8deb2d8a5206dd87e8a11eb88c511436b6f9566a779d407e7159daf87. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/79YDVh2wARUBZFA1JGVWAW.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/79YDVh2wARUBZFA1JGVWAW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc40cb772f9de70a1751801614e78a3d71cf3efe7324a2971d95318c971778971. 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/4IADJSpB0j5KPokt5lkGik.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/4IADJSpB0j5KPokt5lkGik.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85dfd793978849464c767fc390254deb54c594a95e64720176fc700ab2a1f55f. 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/4isMCdqOWzzY6qkGvKjhPS.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/4isMCdqOWzzY6qkGvKjhPS.
{"copyright_id":"0xa2041be8deb2d8a5206dd87e8a11eb88c511436b6f9566a779d407e7159daf87","isrc":"BEI019803228","name":"Wat komen moet dat komt","registered_at":"2026-06-25T00:04:34Z","spotify_id":"2SLESpkx5wGaohfQRNX0go","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2041be8deb2d8a5206dd87e8a11eb88c511436b6f9566a779d407e7159daf87. 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/2SLESpkx5wGaohfQRNX0go.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/2SLESpkx5wGaohfQRNX0go.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4155cc0d3efac23b953603f4e17be7ee61dc9586d1e8c02a85457e39f8249d2. 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/7lVA96EbslYc2qDZhJEqqg.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/7lVA96EbslYc2qDZhJEqqg.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68e9534dbc8956fca06424c5e7be347ff81d430e54f4f5d618bfca5d9967ca96. 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/4BhZGBf37DksNaEJ3rF7TH.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/4BhZGBf37DksNaEJ3rF7TH.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c8ea6361f4f97c158e40101f0cea92b463e6f512094c3e033dd1fe60d4d70e1. 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/3nIrrO3DLj0K0eaJDQnPGU.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/3nIrrO3DLj0K0eaJDQnPGU.
{"copyright_id":"0x2cb67aaa7f8e863b878e1a9b25edcb7e6484fa1d7066e6d91058aad988f7d79a","isrc":"BEI019003201","name":"Verliefd op Chris Lomme","registered_at":"2026-06-05T18:44:35Z","spotify_id":"3JukyWhDJIyRaOw5BKf6aU","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2cb67aaa7f8e863b878e1a9b25edcb7e6484fa1d7066e6d91058aad988f7d79a. 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/3JukyWhDJIyRaOw5BKf6aU.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/3JukyWhDJIyRaOw5BKf6aU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85dfd793978849464c767fc390254deb54c594a95e64720176fc700ab2a1f55f. 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/2qGVcpekA4Y79GMOMnWLI4.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/2qGVcpekA4Y79GMOMnWLI4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8865b35e5169ebc60cac35c90735dc521498480545f3c41a1375f51ee32f905. 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/1EXhSvIubfWYpRklTShswn.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/1EXhSvIubfWYpRklTShswn.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xffaa515fb636ae238dcad26e755fa8d8afc906b2fc7a5c65704e9233968422b0. 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/0c7NJmxH0O3N2YAWiumqa0.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/0c7NJmxH0O3N2YAWiumqa0.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf449028ca23956828c6461b64c3bf3b9099bbac8050995967198f3ff05a0166d. 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/6gkCOg2nzN6PnzsFbOPYwa.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/6gkCOg2nzN6PnzsFbOPYwa.
Natuurlijk Zijn Er Geen Alpen In De Pyreneeën
{"copyright_id":"0x1c0886ec94fb5253006ae375665db91a4112624b0b9e13cba6a43f8940dad63c","isrc":"BEI019003230","name":"Mijn laatste Sovjet","registered_at":"2026-06-26T03:35:07Z","spotify_id":"1NuGFW9bXLIoVp3cQIWpQZ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c0886ec94fb5253006ae375665db91a4112624b0b9e13cba6a43f8940dad63c. 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/1NuGFW9bXLIoVp3cQIWpQZ.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/1NuGFW9bXLIoVp3cQIWpQZ.
{"copyright_id":"0xc5ae153e3abce6ea02ff8c09b2bb4b0466c160bb7a90ffbaf77452fb2670769e","isrc":"BEI019003233","name":"Cous-cous kreten","registered_at":"2026-06-18T07:15:48Z","spotify_id":"6v6nFeHyvcaNWxEuR6SVNR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5ae153e3abce6ea02ff8c09b2bb4b0466c160bb7a90ffbaf77452fb2670769e. 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/6v6nFeHyvcaNWxEuR6SVNR.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/6v6nFeHyvcaNWxEuR6SVNR.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaefdb1f593260ed181abffe256fdd7c326feed3ae0c1379922b5b0cbaf32446c. 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/5luN9UXy0qLvsVag4Wy5Un.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/5luN9UXy0qLvsVag4Wy5Un.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ef445c93dc41f5b4ac52859c6bd226a385d8cc808fe09184d804879e6acdba3. 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/5WW4es1uv0mMTS1nPVMkxl.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/5WW4es1uv0mMTS1nPVMkxl.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b243b50e29251066a1c321802b56f3134e3ec890b79e37b3136f72a38228fd5. 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/06AUEdpxpjycaICIGJczDa.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/06AUEdpxpjycaICIGJczDa.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x711216679bec943ed5c37e914f9cdd76a27371d8231218dda3d75609bc1b03a9. 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/6UKyMgFzh50UqwxMdVphWx.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/6UKyMgFzh50UqwxMdVphWx.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8bf2441860d46ea3a503cd12c70572c21e344e1077796543e02932cb119835c. 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/3G9eZHh3vDLXXDlQeAIFEK.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/3G9eZHh3vDLXXDlQeAIFEK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7676613199a3790daa1a7f953177adc186dc318e264a5f35d3e7499312609881. 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/5HuK8KUntbXEoUjVt1OU0H.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/5HuK8KUntbXEoUjVt1OU0H.