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 0xf9fb647265d91a74f47cedb9e334921fa706992c4bf4e7931a1fa46c1b1222a6. 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/a79b6a1f-59c8-4391-9de8-eef469b4e981.json and https://artists.proofprofile.net/proofs/artist/a79b6a1f-59c8-4391-9de8-eef469b4e981.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x8ccc38b2fdb360da88c94ba6fe66a44d1aa109756a8bd8db61d25abe9ed10894","isrc":"QM24S1903520","name":"And Then Daylight","registered_at":"2026-06-09T18:13:10Z","spotify_id":"6IvVMMODZ1OQy0Q18wxdSP","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 0x8ccc38b2fdb360da88c94ba6fe66a44d1aa109756a8bd8db61d25abe9ed10894. 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/6IvVMMODZ1OQy0Q18wxdSP.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/6IvVMMODZ1OQy0Q18wxdSP.
{"copyright_id":"0xaa7ec3ef97c232db254a49bb466e37e9673db154a9ed0b0ae7f5af676afb76db","isrc":"QM24S1904305","name":"Cloud of Dreams","registered_at":"2026-06-09T11:18:45Z","spotify_id":"3C6Goy2otKTrOedqODI5DN","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa7ec3ef97c232db254a49bb466e37e9673db154a9ed0b0ae7f5af676afb76db. 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/3C6Goy2otKTrOedqODI5DN.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/3C6Goy2otKTrOedqODI5DN.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfde4fa04c800fcd088f17e56bcdcf39627f8227bf93120e685c8ef23fe6c3814. 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/3V4Lfkd84p2wVou9y9wnL7.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/3V4Lfkd84p2wVou9y9wnL7.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a0fd66c6ec1da20ab345e78469128392a3b2e2845f3e0fb2146278a2428b4f7. 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/6bPEvh52Lp2iQN5MP8RQY2.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/6bPEvh52Lp2iQN5MP8RQY2.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x841362cd272f7515f2bcd52ae4084e0bc416e7e6ec79d56f728134f31f960033. 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/4uCSIFeF7hUh9pLwgpZtwu.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/4uCSIFeF7hUh9pLwgpZtwu.
{"copyright_id":"0xaf1e0fb23c140f62ee6d6b0a115cbe3ac2daf6c324898c8c4775da6b14e3b53d","isrc":"QZNWT2047466","name":"Wonders Of Nature","registered_at":"2026-06-09T11:11:15Z","spotify_id":"2OZlj0HbItRhC1x2324Nsr","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf1e0fb23c140f62ee6d6b0a115cbe3ac2daf6c324898c8c4775da6b14e3b53d. 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/2OZlj0HbItRhC1x2324Nsr.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/2OZlj0HbItRhC1x2324Nsr.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0336f6e51f52fb52d72275c2300230b9e7ba11ffdcd6b1ea91dad603e5815cc. 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/2XPQL933efyPxtcgmQ6RAl.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/2XPQL933efyPxtcgmQ6RAl.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa59b9a704de900abf10cf8d49df85ddf0e992a20eebf2e3ee2291c0e4fbf4204. 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/0X0dzEWCOBwc3z89tmlcVR.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/0X0dzEWCOBwc3z89tmlcVR.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96f76bf6c3736c143077169f799e19fbe1b19d62af0f1cd25d9adef40a7905be. 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/1ECSe6uUvShb2UQjjfavpC.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/1ECSe6uUvShb2UQjjfavpC.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd32fff06b34d412d61224e554ba044d3357fc328074a104585f9993644481deb. 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/6DvnvJi5kkanVZplxMgZdG.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/6DvnvJi5kkanVZplxMgZdG.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b017ee59fea6ce3b3216558cb57545c756f04cec4697ff80077a21fdbc17046. 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/1Wz9by58bwMopMC2QPN8Z8.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/1Wz9by58bwMopMC2QPN8Z8.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb442fc46321f96a005b33f0028c8310a8cc5f9b4af478f0165b3360f28694b9. 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/1txVYb5212XlSmmtws6L12.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/1txVYb5212XlSmmtws6L12.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda8e7049b745a8b77d3365d8c8a5fed0ffd765c156fa8336c5be3967414ca34b. 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/2Rd4L2C6hH97dceeFAyMF3.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/2Rd4L2C6hH97dceeFAyMF3.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43f6e23e63957ed0de6ef0da3225cfdf729b873ec132b063d9f089ed359b1c60. 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/7gutP6qFeJaY0sDiARw8MD.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/7gutP6qFeJaY0sDiARw8MD.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f8d50b5e8e7969ed8da0aeabd36c883a3b6345fea3bb4d3380543875434a97a. 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/3kgTcR6AnV4KjJxVyW5cup.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/3kgTcR6AnV4KjJxVyW5cup.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe34bebd896403813e90409ff246f8a3bf05e5352493ef2f603705bad5557f666. 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/5Mq9LgXkytp7S4AVg4Zr21.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/5Mq9LgXkytp7S4AVg4Zr21.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1726cf1dceb60e43b44ea3218702a9c3709802977539cf9d4549b20d386ad520. 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/0MYsA01rwnggENg0Gex5I7.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/0MYsA01rwnggENg0Gex5I7.
{"copyright_id":"0x6383df0662d8e3f1f09667dbae07615e36fe90941b55e1fdab816eb3a52b6d75","isrc":"QZTAU2280031","name":"Time of Waiting","registered_at":"2026-06-19T06:25:43Z","spotify_id":"0ouq2rgrnZ71KmnkW4xUmq","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6383df0662d8e3f1f09667dbae07615e36fe90941b55e1fdab816eb3a52b6d75. 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/0ouq2rgrnZ71KmnkW4xUmq.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/0ouq2rgrnZ71KmnkW4xUmq.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x505fb50691cd374a8f4c92c27ef0e827b525bd812c764445d7db043f3f39ac57. 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/114CCOYJnBtZSJSVPLiJkC.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/114CCOYJnBtZSJSVPLiJkC.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2287675feff9a1b86002251e708f18970a3a56c538a8914a85ae5508c32d3b3a. 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/7hOzBO5t6UqORs2NVpE5dz.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/7hOzBO5t6UqORs2NVpE5dz.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd812c2f1ce860d8dcdd15753300e5f8ebed5315e906df9fbd4afc9ce05e1adc. 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/2QgS9tJ6xvz9GjPuzMmWYu.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/2QgS9tJ6xvz9GjPuzMmWYu.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7424884b40680cf339bf9804052f66c603b9937dfb175abaeb0310e0c740bf84. 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/1lbNZeZW45LwT9jVQqmAv1.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/1lbNZeZW45LwT9jVQqmAv1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb978b23922475081062b07f9374068ba3bbecdbc8573ca8ab01a781421c38a23. 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/3nFzLWIXGhPcVhwAvRqHyz.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/3nFzLWIXGhPcVhwAvRqHyz.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70d497f31417011dbf61cba306948aad6c58deb32e332471f24c7149f049ef33. 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/11yLl5vXGZcHkm6YVZdl6z.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/11yLl5vXGZcHkm6YVZdl6z.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a755707894146c6e70cfdc7890f167eb0e16507428409dcd738c3270edc7940. 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/1LLYWaP3ACHTHLizUwCYT1.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/1LLYWaP3ACHTHLizUwCYT1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d34d4f8953beb776e1f73e43bae2880e9e8c37a5246fb58b09ab61920e9285a. 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/5cPY3co6NurkKprSn4lrau.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/5cPY3co6NurkKprSn4lrau.
{"copyright_id":"0x66fbb55fe58eeda1202eca9839415e40731418947a63c3adfef3295a3269bfb3","isrc":"AUGBT2350908","name":"Turquoise Sand","registered_at":"2026-06-07T15:41:49Z","spotify_id":"2A8mQC5NNsbrdSDxWPhGpo","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66fbb55fe58eeda1202eca9839415e40731418947a63c3adfef3295a3269bfb3. 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/2A8mQC5NNsbrdSDxWPhGpo.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/2A8mQC5NNsbrdSDxWPhGpo.
{"copyright_id":"0xfcfe8ab10d54aed9787aa80bcb6cd2b1d8fe6df7a8b33dab3d0113c6d7bacb36","isrc":"QZWFJ2310343","name":"Wildwood Waltz","registered_at":"2026-06-07T14:13:50Z","spotify_id":"7CWRHHw1rPB3WAhRckI0rC","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfcfe8ab10d54aed9787aa80bcb6cd2b1d8fe6df7a8b33dab3d0113c6d7bacb36. 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/7CWRHHw1rPB3WAhRckI0rC.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/7CWRHHw1rPB3WAhRckI0rC.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa150a3c92502ca7be2cf55aa9694c1bdcbebb67e6a2864d34000e5cfbbde4ee0. 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/3GXHMZjcWMrEQaHBHrKbVS.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/3GXHMZjcWMrEQaHBHrKbVS.
{"copyright_id":"0x9508d034ceac3bbc974d2dbd58b22df1b82f9d097f2edafd3db4286c43235015","isrc":"AUMEV2355233","name":"Madrid At Night","registered_at":"2026-06-07T14:14:12Z","spotify_id":"0SZardBMqje1103Stm0wzq","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9508d034ceac3bbc974d2dbd58b22df1b82f9d097f2edafd3db4286c43235015. 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/0SZardBMqje1103Stm0wzq.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/0SZardBMqje1103Stm0wzq.
{"copyright_id":"0xa1cfd4f7615c0e747e34acf864c1f4d4dc24b3c8553e417c56e21492e0daf330","isrc":"AUMEV2331567","name":"Lazy Sunday","registered_at":"2026-06-08T13:03:23Z","spotify_id":"1XnZXEsHH8ZZM6YSipUZrw","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1cfd4f7615c0e747e34acf864c1f4d4dc24b3c8553e417c56e21492e0daf330. 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/1XnZXEsHH8ZZM6YSipUZrw.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/1XnZXEsHH8ZZM6YSipUZrw.
{"copyright_id":"0x0c4f1e8fe06d9d210a01fbe95e3e8704f3cffe21008ae943796ac66c1fdfed6e","isrc":"AUMEV2150145","name":"Un Dia de Verano","registered_at":"2026-06-08T17:48:50Z","spotify_id":"34MuNcoGM6ABCJ0SwJDDsR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c4f1e8fe06d9d210a01fbe95e3e8704f3cffe21008ae943796ac66c1fdfed6e. 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/34MuNcoGM6ABCJ0SwJDDsR.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/34MuNcoGM6ABCJ0SwJDDsR.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b7793864f3edc85a984b72b80d92e91d5b65482d4c301cfe5f25a4238e4b0ed. 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/4dM8DRMmhbFPf8gHLHhns4.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/4dM8DRMmhbFPf8gHLHhns4.
{"copyright_id":"0xd36f8791ad544f311555bedb17ffcf06125d4306345b7d2e78a104fa7d4c2cd6","isrc":"AUMEV2394670","name":"Night Train","registered_at":"2026-06-08T21:46:25Z","spotify_id":"6XNAVxbpIGcDEDaoLEa9Jd","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd36f8791ad544f311555bedb17ffcf06125d4306345b7d2e78a104fa7d4c2cd6. 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/6XNAVxbpIGcDEDaoLEa9Jd.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/6XNAVxbpIGcDEDaoLEa9Jd.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed327620011cb69336d8458491e3a5f9342d5b280096bb98e9ef19313f48f42c. 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/4I8lRlQdtuaMYGPlwdfaKm.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/4I8lRlQdtuaMYGPlwdfaKm.
{"copyright_id":"0x49fd2cd9b738f8b8f45d079f9e85de49c98ba24499d535e74bd8a833628346ca","isrc":"AUMEV2217725","name":"Days Like These","registered_at":"2026-06-08T13:26:13Z","spotify_id":"6yHEpp2Npgz3DGeUGjexgO","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49fd2cd9b738f8b8f45d079f9e85de49c98ba24499d535e74bd8a833628346ca. 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/6yHEpp2Npgz3DGeUGjexgO.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/6yHEpp2Npgz3DGeUGjexgO.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda6c2de05056baddf823a50b4831e8f4df9360b205e9eb4b28d28b426a7832eb. 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/3qdMHTdjYD8r0lGbwCiwg0.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/3qdMHTdjYD8r0lGbwCiwg0.