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 0xfc10ec98e52eb3a289e284623312fab23eeb61a443489749abb4c26f2a12bda0. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/67f08daf-4263-4bc0-94f6-53327bd348f2.json and https://artists.proofprofile.net/proofs/artist/67f08daf-4263-4bc0-94f6-53327bd348f2.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 0x1af3ebfadd2d4a65b5335d9a35cfd079c43bc1b38f3a4129a57d3e8821b3f12f. 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/4qM4SiqXQ73aBsQLBNZDgK.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/4qM4SiqXQ73aBsQLBNZDgK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a9504ce81ade031f72752c01cf1644ba3fcfbd9939469514753ace1779250c4. 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/4uwB5yJRvpqmr2QPxhe9Du.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/4uwB5yJRvpqmr2QPxhe9Du.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee5bbfe9921b175444b633ab0aaffb6a8fd91b3051b2af92ae57080796d23eee. 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/3lye2N3GfiPCozStGfojJu.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/3lye2N3GfiPCozStGfojJu.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf77f6c46fbcd93983b28140a3a0f82698a8582dbfd080c6ad899bb0c69c904ec. 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/1Yy1rCJzlJb5jFaShIPIoj.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/1Yy1rCJzlJb5jFaShIPIoj.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98840285b63a8fade28424d3fea74df15b7dfeed87f83a68fd334735fa745a92. 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/6mgkpj7ndvJVwQXyAtuqMR.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/6mgkpj7ndvJVwQXyAtuqMR.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8a409849e83981cc28c93c6a1d365b998589a91a3ef2f39a6744a218db36d08. 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/7EamG2OTJC7X6x1zAtE2Nx.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/7EamG2OTJC7X6x1zAtE2Nx.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85031ec770075b438033f1f6a28c8edfa42f98ac92704e9feb4932a237e0b790. 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/3YoWONU3bzF3wRDAPbJLRC.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/3YoWONU3bzF3wRDAPbJLRC.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2c8e6e60118f6209905ce82f6d29da39baff5ad3013ae43332366fbd93af201. 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/1847Dymlf7A05ZAIZvNgu8.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/1847Dymlf7A05ZAIZvNgu8.
{"copyright_id":"0x7d1d2a628dbda144a82af1e07a2b27e9540b77f26bcf88346bdb28294540e518","isrc":"ESA012053556","name":"Haciendo Estragos","registered_at":"2026-06-25T14:34:28Z","spotify_id":"6nXE1byD2XkuGhoTwsGSQx","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d1d2a628dbda144a82af1e07a2b27e9540b77f26bcf88346bdb28294540e518. 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/6nXE1byD2XkuGhoTwsGSQx.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/6nXE1byD2XkuGhoTwsGSQx.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2a35acf344e215d886c4be8b4fd2845f74ef0031066e60283a5de0f0ba929af. 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/25DIP2DqlkFHNkCH041FZ3.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/25DIP2DqlkFHNkCH041FZ3.
{"copyright_id":"0xa353b10e4de4fbf9bfd220639524bec8195493cd0874c12e9e026ede26f9aacb","isrc":"ESA012059519","name":"En La Linea","registered_at":"2026-06-18T06:03:57Z","spotify_id":"10uxO8HYDKrmxVKRNnQQfu","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa353b10e4de4fbf9bfd220639524bec8195493cd0874c12e9e026ede26f9aacb. 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/10uxO8HYDKrmxVKRNnQQfu.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/10uxO8HYDKrmxVKRNnQQfu.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x936ba471b5bf44f2214f66d49a02c10e16d8bdb40e6b25d71db367804c58eb24. 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/07Rs6oib2d5Ia00Bf9Qpgi.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/07Rs6oib2d5Ia00Bf9Qpgi.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa383c2795f9d530787302cc7e6641ed00b14e4e74b786e66069c92fefe6c5a0. 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/7hkXQ5HzOO3gNq41Gh1oQQ.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/7hkXQ5HzOO3gNq41Gh1oQQ.
{"copyright_id":"0xaeaa8af8c9bda6fe9f51a4b9fae4521a523eb769b52335fbbbb1d20c37be3f08","isrc":"UKU932400742","name":"De Noche","registered_at":"2026-06-18T06:05:06Z","spotify_id":"25qfhr8Itx4su1DuYlaHir","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaeaa8af8c9bda6fe9f51a4b9fae4521a523eb769b52335fbbbb1d20c37be3f08. 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/25qfhr8Itx4su1DuYlaHir.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/25qfhr8Itx4su1DuYlaHir.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11400c594589080b113e2c79fdb3a57f40fc022c3bed4480dbbb74e72a22763d. 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/6Gl7gH0IGyEQBWhIWF8iWC.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/6Gl7gH0IGyEQBWhIWF8iWC.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37b02882a0622d7454798e8518924f5d30e83541f09c58d1b71e0767635ae0d8. 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/6uyuvfPSFcEllrRDvOyWg2.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/6uyuvfPSFcEllrRDvOyWg2.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8d9a4af7b0cf8a307484f998d59d3c2bfed046f1a4650e9619cbdc0e675e79e. 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/75NG89pHss8LunaGP0DhHp.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/75NG89pHss8LunaGP0DhHp.
{"copyright_id":"0xc2166b65bea1d667e438c07c0d5e5effc4f07b64d1617b8acde28269bf58a1cf","isrc":"UKU932400422","name":"Mi Circulo","registered_at":"2026-06-23T16:19:29Z","spotify_id":"2X3YAxtzLGlnP3RS9EEDKP","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2166b65bea1d667e438c07c0d5e5effc4f07b64d1617b8acde28269bf58a1cf. 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/2X3YAxtzLGlnP3RS9EEDKP.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/2X3YAxtzLGlnP3RS9EEDKP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x530a66a840cc4f0b00549f411e9a1658a06df85117f907cdeda8007672d02b95. 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/6K7UQRg48Do2fa6PlWqQAX.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/6K7UQRg48Do2fa6PlWqQAX.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8406e2208983b37873d37268acde4466a0bfcb39efb8d253464e819e4890c2b5. 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/6ddKkBixwvyJdr5OHG3vVx.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/6ddKkBixwvyJdr5OHG3vVx.
{"copyright_id":"0xaf4a8759f2192b46b0bd0426ebac1bc6eac7d7f845ef27eff9053fb20b1e1fa2","isrc":"QZW9L2360372","name":"Un Round Más","registered_at":"2026-06-23T16:24:21Z","spotify_id":"2fNHb6nRpKLQOSdD6Z3uJB","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf4a8759f2192b46b0bd0426ebac1bc6eac7d7f845ef27eff9053fb20b1e1fa2. 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/2fNHb6nRpKLQOSdD6Z3uJB.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/2fNHb6nRpKLQOSdD6Z3uJB.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1baa210db26f4cd0f1aa9ad307f65df143bcc4045496a5b86b58240f4cc8515. 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/38hlMCrmQplhGee2NJGJfg.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/38hlMCrmQplhGee2NJGJfg.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc65a8d8240be048663fb97899e606812c56cabfc9f81a5635e53e37d69017da0. 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/0HWza4L9r5h5NNdjvEjWkf.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/0HWza4L9r5h5NNdjvEjWkf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbdcc97907751b58b8567213ce9e6ae28c19a5e03e2a1fbd9e71a08308382178a. 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/1xK54jcpendyLBkPC6CcI2.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/1xK54jcpendyLBkPC6CcI2.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf9d455293bb3eeb1720540573ced78047358579bd45635579595e73894faff1. 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/6sQPoUpMpN7jKLyP4kbybH.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/6sQPoUpMpN7jKLyP4kbybH.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8829a7e609e86175d6e5dd9c765ddda24004bfd6b614e761c99435ad900c8ba6. 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/1DiObyGWMBpds6m72SEor6.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/1DiObyGWMBpds6m72SEor6.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x628e64a8eff1101927acd4621fba9793fa50c8d2b890501b9c4466d13401b6ae. 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/6jyYxd1Q8vJXMIbv1dLhps.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/6jyYxd1Q8vJXMIbv1dLhps.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2556c05cde6ad14014e2e441f996e8f8d6296791f8e897cb69a7cc0c6df00a06. 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/5pYSjh6ZUTt4OTJiWMIFJ3.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/5pYSjh6ZUTt4OTJiWMIFJ3.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd38034885ece0186fc99fa4e7100f617649578ec7d4b371f1214bcae68206563. 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/3irNOgudwcOMccWBtPQzpq.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/3irNOgudwcOMccWBtPQzpq.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42474e13e3d43c3e81aba10b679e568f5a27c11603be51a00cac32d1a18a5cd9. 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/3PpZOp2R9HSTHj6JeuAvwx.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/3PpZOp2R9HSTHj6JeuAvwx.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe652d776cc9cefe402de370b7637df4f3273be65389bba5d3f62ac1f895e1fed. 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/19EeJPSLFc2KVKjs5t8oMh.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/19EeJPSLFc2KVKjs5t8oMh.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14dd65bcefe3e1e3e2257512d374a65a45c3734ed5d2d2fba9f883b8426dc5c2. 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/3t3CjjRYtr03SDWC0kgraQ.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/3t3CjjRYtr03SDWC0kgraQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8bad4918d96dbdb086f3bbbc7cdc4128819b44935f6c4e42e8b76f3d8ee853af. 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/2lpm5g4mxG5b6WkMixVWAM.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/2lpm5g4mxG5b6WkMixVWAM.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6dc10510409546f5858e627e622af88476589e9f3fbf5dbd4866b3d7d91d7b7b. 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/2D5FeXx2XQarCmaAHKhcEg.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/2D5FeXx2XQarCmaAHKhcEg.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89ed055c1ca044b9f11ed0a3c5f56168db30482d053c3acfb4a61c4323d084bc. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T20:47:43Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5VVYZDlwiuZuq1WHcP9RQ2.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/5VVYZDlwiuZuq1WHcP9RQ2.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x756bc5a65bf9e5edb4baada3399ab7a8bdd0d97d97685364602e1eff4ae14512. 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/3ULa7CSco7FAcT8A44GEU0.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/3ULa7CSco7FAcT8A44GEU0.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6193ffba789239142f75f8c330e9683a7b3ff25a88f9206eaabc7419eec2fdab. 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/3GxZrmf3NX3PiSGlx8JzJi.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/3GxZrmf3NX3PiSGlx8JzJi.
{"copyright_id":"0xb3e75aa80802c1bb0915d71cec2ca2c95180ac3263fe2f88a8924c9e3181b9a2","isrc":"US3DF2226970","name":"Nunca Derrotados","registered_at":"2026-06-24T22:01:02Z","spotify_id":"4BseBoxgUoAxIP3GIxRYfE","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3e75aa80802c1bb0915d71cec2ca2c95180ac3263fe2f88a8924c9e3181b9a2. 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/4BseBoxgUoAxIP3GIxRYfE.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/4BseBoxgUoAxIP3GIxRYfE.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x073f3d1b9c4cd9e8e22f9ae9023961ac3ea6f1b388fdd058268c922fac412a36. 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/07suA6bazEKCahz9eyd7v1.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/07suA6bazEKCahz9eyd7v1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf33a54447090aef9058b98579f15faab6a533d21b602d2b78c23b9a1d37fc366. 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/5QTkt9RLDA9jzIsA0ZSVJs.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/5QTkt9RLDA9jzIsA0ZSVJs.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68cfb6847c0b6c68d71be8e8fac7f6847f7df6f7cb0c86a48f73133193d00b8b. 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/4V1ULYoWHi89VUzVWtTGJi.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/4V1ULYoWHi89VUzVWtTGJi.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2803899dd6516873067be201967e6cb503be3c3ef452dd846692bb26454b3119. 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/2dX3T0VtLSGIwhtXx7AF4A.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/2dX3T0VtLSGIwhtXx7AF4A.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0d8ceb1a3f0279a4f871ce6025c81e769f8785b77599a8986ff5c608e7fbe96. 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/6rdM3SwzxCGtuqQwXwumiF.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/6rdM3SwzxCGtuqQwXwumiF.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82652840a615586b53ad83ddbe4db27659f333d7e5a88561efd8762954d28314. 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/15FTKa1U2fnpwkbslpYQCI.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/15FTKa1U2fnpwkbslpYQCI.
{"copyright_id":"0xdfc4af025f2029bbdd4b7c4556203cfe57d319c1995f5faa3a55fea2a43df1c4","isrc":"ESA011664863","name":"Calles Oscuras","registered_at":"2026-06-08T14:08:35Z","spotify_id":"3SO8BxoE7tHUGpyEEv2sKj","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdfc4af025f2029bbdd4b7c4556203cfe57d319c1995f5faa3a55fea2a43df1c4. 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/3SO8BxoE7tHUGpyEEv2sKj.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/3SO8BxoE7tHUGpyEEv2sKj.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xacde9eb1682a64822edffaf9da275b71e8c15ade02267f4e8e9924e7d167639d. 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/3pqZNJJjZEpSUhkkIlymoX.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/3pqZNJJjZEpSUhkkIlymoX.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97a08a34bf955825f517c62668115dc85838c5fa6ca869dc99b6069c5ad1f57c. 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/1dI6gkwvihfXSwv7N1w0DQ.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/1dI6gkwvihfXSwv7N1w0DQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68a76d71d7796266dbd83f438d358e0ad8038fe407dad1b69cb48a4b366aece9. 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/4g7Mj5RWCbf8B3s6i6MePQ.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/4g7Mj5RWCbf8B3s6i6MePQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd5289686e42b3440a2dfcc8289db81d7fca0034fe52f6b7fae66c29660e7d05. 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/15g4Gwh5aoX762cqE7ftbP.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/15g4Gwh5aoX762cqE7ftbP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x044618f64c27e5b57591505ce59d185c7c2369acc4108b446a8fd629e7d2dc11. 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/5eh6yPwwfb1NFdKG2XyQhr.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/5eh6yPwwfb1NFdKG2XyQhr.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ac22af9dd383ff1c3464802025bf39544328b03f1152195809c75c621ec40fc. 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/3ZnYPaE0JsERneWb0ilfXv.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/3ZnYPaE0JsERneWb0ilfXv.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08cb9769a7a16cabb845a8153093541a2d3f2dbf0a22c972a307ca16eb1c3765. 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/4covD3hewpog4y8cP4lUuu.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/4covD3hewpog4y8cP4lUuu.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9ee770547e2eb3520041120f56b4f63a79a4d0acb981e38e255a45937a7a0e6. 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/2m1baBht5l9ytkWbaJFY9n.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/2m1baBht5l9ytkWbaJFY9n.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d7482dbe85049f97f32ff66cfdd15259d7e631e137b54477e540bd62af1a91f. 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/4GObSaEDXtVuSLPszJSvBs.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/4GObSaEDXtVuSLPszJSvBs.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4a4a62667f6234f071198a1d48a84d333df84aa1b729532e24621f651cdb556. 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/2gY0FlAeJZUevfhh75ypuK.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/2gY0FlAeJZUevfhh75ypuK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7d00fe84bcf0412c30104847177a5d6e06893f5b8b5f918b3e3776aa73933b2. 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/7jC9xln8LxZTMXda7fuyRO.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/7jC9xln8LxZTMXda7fuyRO.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47f092ae7333d35dca92ae668c269fd446ac180eb22287568fecf2eea83b3234. 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/0hoJ5B5ZaQAHGCqBpTsXBA.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/0hoJ5B5ZaQAHGCqBpTsXBA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcec0f9b89531fd611b2b0d0b53da7b272d59176ce524d36886229a5d35672539. 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/0l4dzzQHoQGlfpi5XTsH6l.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/0l4dzzQHoQGlfpi5XTsH6l.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3e028ec4f39a15dc16dad0cbaa71ee0ec8ac63508b98603d729ab12a5bce175. 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/2Te8VdIXDupfEv1fGIJwVk.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/2Te8VdIXDupfEv1fGIJwVk.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34ac0329bb8ceb175b5bba3e56370202b537ad9c8403d0db449487988b8c9aa8. 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/0cthSQfXnR3JOCOg0CfX0B.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/0cthSQfXnR3JOCOg0CfX0B.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf72efd1cd857e2ed9a98b269536e9fb25415b31f2c22f91c6696b9b26aecc5bb. 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/2XgXVUu6IXV0FPgGrhLHgM.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/2XgXVUu6IXV0FPgGrhLHgM.
{"copyright_id":"0x1ebad85856edf0f7a0f58575991486464aeb88906a0e6cec01280ea61c6034dd","isrc":"UKACT2371372","name":"Somos Osos Cypher, Vol. 1","registered_at":"2026-06-05T13:07:20Z","spotify_id":"1RX8wHYSLKzyC5zpMSoKhg","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ebad85856edf0f7a0f58575991486464aeb88906a0e6cec01280ea61c6034dd. 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/1RX8wHYSLKzyC5zpMSoKhg.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/1RX8wHYSLKzyC5zpMSoKhg.