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 0x90cbe3d7301f9d294d441e589a56f65cbd25a0490a4d557a49284db2eb4d1e66. 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/0c6c7844-540a-4dd5-b4b2-2ef9d33c90f1.json and https://artists.proofprofile.net/proofs/artist/0c6c7844-540a-4dd5-b4b2-2ef9d33c90f1.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 0x28d2f3e995e2f08521c1fae4118ac61571661c52213ec95d142bb031b41ce282. 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/65ns9zvAO4hekJu8JlIooP.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/65ns9zvAO4hekJu8JlIooP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a7a268497f0b771ea5f20d95e55d1f8d709411ee1a5e07d33b25483f679ce53. 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/1w56eLKfbscxUog9Iyex2G.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/1w56eLKfbscxUog9Iyex2G.
{"copyright_id":"0xc0b8a1e3b17c1d0d1502fadfd35c159c3d8be1383aea51d59764ed3d37225512","isrc":"QMFME2399888","name":"Te Lo Advierto","registered_at":"2026-06-19T14:11:05Z","spotify_id":"2k1CITtfdVE39kMCf0ODbe","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0b8a1e3b17c1d0d1502fadfd35c159c3d8be1383aea51d59764ed3d37225512. 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/2k1CITtfdVE39kMCf0ODbe.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/2k1CITtfdVE39kMCf0ODbe.
{"copyright_id":"0xb87ec6835ba808e5ecdc67f2449aa4fd302afea449b5c1c27e04bebcbb661142","isrc":"QMFME2399886","name":"Muy Tarde","registered_at":"2026-06-07T01:37:57Z","spotify_id":"2lVoEj7kqIOofHdnIDwVBr","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb87ec6835ba808e5ecdc67f2449aa4fd302afea449b5c1c27e04bebcbb661142. 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/2lVoEj7kqIOofHdnIDwVBr.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/2lVoEj7kqIOofHdnIDwVBr.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8dbeede68862026906ad42e4ca2e9becc5202920e528b5accc69bb8159bdfb6. 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/7w745hWspVhIRlN3rIRvns.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/7w745hWspVhIRlN3rIRvns.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdaae40faafb717efc7312e4a6102783044db5aa5970e3ef23afe434671323123. 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/4b6Kj4HDTgrohbJaQwri9C.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/4b6Kj4HDTgrohbJaQwri9C.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f4d0982f8a71f693b3213e5e05f0313bfe02028bb0360fd49b51cd9477e31a6. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T20:33:01Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3rGrzrXatPJHNRe9HIA4u8.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/3rGrzrXatPJHNRe9HIA4u8.
{"copyright_id":"0xea73abf4d8ff41e888b30d31a4ef275fcf567484d1bdecd282c104ab0f21ac91","isrc":"USQX92306855","name":"Fruta Prohibida","registered_at":"2026-06-06T16:25:05Z","spotify_id":"39MVkJ39r1JoBUPVQnlTfa","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea73abf4d8ff41e888b30d31a4ef275fcf567484d1bdecd282c104ab0f21ac91. 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/39MVkJ39r1JoBUPVQnlTfa.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/39MVkJ39r1JoBUPVQnlTfa.
{"copyright_id":"0x5b2d86aeb14cecb7116d241eecdadac41e8a43933ba1292f32a95ccbcbc329a0","isrc":"USQX92306856","name":"El Troquero","registered_at":"2026-06-20T03:52:14Z","spotify_id":"15K0jTUPDwP6VwtHCqpIUU","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b2d86aeb14cecb7116d241eecdadac41e8a43933ba1292f32a95ccbcbc329a0. 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/15K0jTUPDwP6VwtHCqpIUU.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/15K0jTUPDwP6VwtHCqpIUU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf80a85413919466050098b1b126d30d294056ea7193c94826bddf44f19580c16. 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/7ulIF29ILcbHhmiW85mIH0.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/7ulIF29ILcbHhmiW85mIH0.
El Rayo De Sinaloa (feat. Eduardo Laguna)
{"copyright_id":"0xab7707ade0e290cad09efc2f57ed662ce1855ef0e2fc371d13022f419e45706c","isrc":"USQX92306857","name":"El Rayo De Sinaloa (feat. Eduardo Laguna)","registered_at":"2026-06-18T14:18:01Z","spotify_id":"3BqdYuEKbKfntPLeLfGxmk","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab7707ade0e290cad09efc2f57ed662ce1855ef0e2fc371d13022f419e45706c. 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/3BqdYuEKbKfntPLeLfGxmk.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/3BqdYuEKbKfntPLeLfGxmk.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96fbe879289299860136f251cb5d58e098ab542dc585297806bbfc46c7096e2e. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T20:27:52Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0396uLvDYh8Lu1yHdhLDhi.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/0396uLvDYh8Lu1yHdhLDhi.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a21041c896dabbd3fc34d4d5ece4f5132fc753600744a54f6d6cdf8c3681388. 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/3L9DRfD6X3gNRAPGsy3BK7.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/3L9DRfD6X3gNRAPGsy3BK7.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8b03fdb5a37343f2018f7a71056c373b13a7c90b75d5bb0a4dd9e39b6d7637e. 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/4jFU4apdcu3qrMgwb4dxNn.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/4jFU4apdcu3qrMgwb4dxNn.
{"copyright_id":"0x1f31da9e758624b89ea7af40f9aabedfa465598e520f0a2decf1177f1cb8dea8","isrc":"USQX92306860","name":"Regalo Equivocado","registered_at":"2026-06-20T22:55:34Z","spotify_id":"2MPmhlvYyBbHvVcQCjA2aM","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f31da9e758624b89ea7af40f9aabedfa465598e520f0a2decf1177f1cb8dea8. 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/2MPmhlvYyBbHvVcQCjA2aM.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/2MPmhlvYyBbHvVcQCjA2aM.
{"copyright_id":"0xbcfb28953ca3cdc28dbb4b08b97083ffc23d0a4e1107bafd160912150663d35f","isrc":"USQX92306862","name":"El Chino","registered_at":"2026-06-11T04:02:36Z","spotify_id":"1vLPRaJaH2TmBQqOwfw4eG","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbcfb28953ca3cdc28dbb4b08b97083ffc23d0a4e1107bafd160912150663d35f. 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/1vLPRaJaH2TmBQqOwfw4eG.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/1vLPRaJaH2TmBQqOwfw4eG.
{"copyright_id":"0xcd5e07d2de60c501b47c2cf2916000e1c708cc07d21774da11f4f58afb8724af","isrc":"USQX92306859","name":"Quiero Charlar Con La Muerte","registered_at":"2026-06-20T03:51:56Z","spotify_id":"0Aiv7uBuuNaj54Ucg91xVY","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd5e07d2de60c501b47c2cf2916000e1c708cc07d21774da11f4f58afb8724af. 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/0Aiv7uBuuNaj54Ucg91xVY.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/0Aiv7uBuuNaj54Ucg91xVY.
{"copyright_id":"0xe55c0ee1b266c786e8dcc505c517c3b913dac0596ccc8c2e839af4cb8109e28d","isrc":"USQX92306863","name":"Gordo Michis","registered_at":"2026-06-23T01:15:05Z","spotify_id":"0xA7Bm8slENNZwYQpB9Xu6","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe55c0ee1b266c786e8dcc505c517c3b913dac0596ccc8c2e839af4cb8109e28d. 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/0xA7Bm8slENNZwYQpB9Xu6.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/0xA7Bm8slENNZwYQpB9Xu6.
{"copyright_id":"0xaf6c357faca15733a1266208beb9e4fa783ff3bf1b499c0193307b7fe6cefc46","isrc":"QMDA72342406","name":"Debut Y Despedida","registered_at":"2026-06-05T13:14:15Z","spotify_id":"5z5ZBbgjDvv5vej6zHwWcp","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf6c357faca15733a1266208beb9e4fa783ff3bf1b499c0193307b7fe6cefc46. 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/5z5ZBbgjDvv5vej6zHwWcp.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/5z5ZBbgjDvv5vej6zHwWcp.
{"copyright_id":"0xf718fea8d8e4b0a8ef41b9631d5f545a5aaa3eb0b5e2db9d822fdee72cb09ef9","isrc":"QMDA62291630","name":"El Güerito - En Vivo","registered_at":"2026-06-09T09:11:14Z","spotify_id":"7fpVodIsM1rverIJTB7r5q","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf718fea8d8e4b0a8ef41b9631d5f545a5aaa3eb0b5e2db9d822fdee72cb09ef9. 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/7fpVodIsM1rverIJTB7r5q.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/7fpVodIsM1rverIJTB7r5q.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3449f0180e0281d7d46aabd8535f462a9148002d38d72818535fd101a96cedb1. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1IyDPcSWAjNe06JXqTxpWE.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/1IyDPcSWAjNe06JXqTxpWE.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f241b0e190c6a24e75b518a9ad919f67a28b818f7b77a76d2c145012b4de15f. 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/2GSpMtynlD0Y2XT0DhOY2n.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/2GSpMtynlD0Y2XT0DhOY2n.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc47878b881a6d07c95312b7bf3fc630efdf2f3f3aca72841e19a15d1a698265e. 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/6wMG9TSehAaSWYgWKQyH36.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/6wMG9TSehAaSWYgWKQyH36.
{"copyright_id":"0x419299249b8ca7df0d5c557ea032bb2c95126a5b9860095d421b9edff6a43e29","isrc":"QMDA62249323","name":"Buena Madera Herede - En Vivo","registered_at":"2026-06-27T08:35:16Z","spotify_id":"4zNYAU49RkPL3hB9X4KIZD","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x419299249b8ca7df0d5c557ea032bb2c95126a5b9860095d421b9edff6a43e29. 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/4zNYAU49RkPL3hB9X4KIZD.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/4zNYAU49RkPL3hB9X4KIZD.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5696acc8e27c47e489d8953d42deb2a9c323a0f63c66fe6604b80e506a011131. 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/2hbhRUSjTy6r8NXu3Wq7kT.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/2hbhRUSjTy6r8NXu3Wq7kT.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06f8b9bc536fb9a47983113ee4c039bc67265a9f06760d07097d91de66ac09df. 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/30cAqdinNm6e6GrNjcOg0Z.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/30cAqdinNm6e6GrNjcOg0Z.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe787bfa35d9866915cdf063d88ccbec0bb67b78f718a44a1458be948123a7692. 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/22tw4tCjna7jJARDl1OAdb.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/22tw4tCjna7jJARDl1OAdb.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa34d12ee808f24eae44fcbbb6417f545a085e6f0bc172eb3b4f77ae4550f8d7c. 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/4xB0iJhWOZEML0TuGED3Ch.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/4xB0iJhWOZEML0TuGED3Ch.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61068877a3f5924c7ce7197102ae82f710fd786494da572c8211c66f4c2a22a1. 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/5UcYygBoFMF8R3Kqhxzpy5.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/5UcYygBoFMF8R3Kqhxzpy5.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81b951ae61a0707239227fc57b4b143b022a2f5671b2fd04de008cd8fdc281db. 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/3b0FuqllkVb1udBUDTcVew.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/3b0FuqllkVb1udBUDTcVew.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd42fb0880320626262761d044af3de3cabbe6525e678ff06e558b3b9feacc665. 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/73p7TbUpe0wngjjzTm7j9G.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/73p7TbUpe0wngjjzTm7j9G.
{"copyright_id":"0x6508a3b2a54bbbc90174c1171e7d87c023b593773ea2d9dcaaf93bf4cb673afb","isrc":"QM4TX2440388","name":"Fechas Marcadas","registered_at":"2026-06-18T18:14:42Z","spotify_id":"0KIEwiqiybxavbIAnUJtot","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6508a3b2a54bbbc90174c1171e7d87c023b593773ea2d9dcaaf93bf4cb673afb. 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/0KIEwiqiybxavbIAnUJtot.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/0KIEwiqiybxavbIAnUJtot.
{"copyright_id":"0xb6fdde8f73bebccbb1681402300b1b8d5faac1d88defd79b8531f2bc34adb696","isrc":"QM4TX2440386","name":"Bienvenidos a la Mafia","registered_at":"2026-06-25T07:46:07Z","spotify_id":"2lAahygCzdfk3RGfgRjDqA","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6fdde8f73bebccbb1681402300b1b8d5faac1d88defd79b8531f2bc34adb696. 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/2lAahygCzdfk3RGfgRjDqA.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/2lAahygCzdfk3RGfgRjDqA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4671d17e68b49c5b45a9d5e51c32e269939cc44571411620633939a7fae0aa9. 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/1AOAkGFEqwTLeJdlkpe2JR.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/1AOAkGFEqwTLeJdlkpe2JR.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4133fa02fc56c651477aa148698a60407dfd14b23b052d656c67f17324dc0977. 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/6iSuzYQDndLZFSD4ZEcFlX.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/6iSuzYQDndLZFSD4ZEcFlX.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb60bdeaf78fe4a39921156c7a05e3d16401fb2a58e8fa3ecd8cf4f3edadd655f. 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/0odPlqyLhMIEPgmtJOte02.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/0odPlqyLhMIEPgmtJOte02.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0e6d48c08b352f0e54e20fe092bb782451c0907f8953c5a08d34f2a3319706a. 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/3oYRN6VH9YDUcTCzAQfFML.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/3oYRN6VH9YDUcTCzAQfFML.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8250238d074d6192e0dc5a7858b7b59c952dd3bd15e32b3bc37b8eeeb7ef8f64. 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/6B8Z0jFgCptuVxgGZQ6dAy.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/6B8Z0jFgCptuVxgGZQ6dAy.
{"copyright_id":"0x5e05018ef683b78df1d51345ffb0fe667c9f7d13206d388f9dab4d41a62b9651","isrc":"QMDA62237203","name":"El Patio del Recreo","registered_at":"2026-06-25T07:36:26Z","spotify_id":"57euVTGPIu9ctFHs5PvjNV","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e05018ef683b78df1d51345ffb0fe667c9f7d13206d388f9dab4d41a62b9651. 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/57euVTGPIu9ctFHs5PvjNV.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/57euVTGPIu9ctFHs5PvjNV.
{"copyright_id":"0x592a5d2a5d7bf0e0e49400ca36abcc6dc3b91f8bb4fb4472e6b0cb3dd7780deb","isrc":"USA2P2233221","name":"El Rey Leon","registered_at":"2026-06-09T18:27:49Z","spotify_id":"3uwYz7SOXtaqNwCYpH3iVK","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x592a5d2a5d7bf0e0e49400ca36abcc6dc3b91f8bb4fb4472e6b0cb3dd7780deb. 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/3uwYz7SOXtaqNwCYpH3iVK.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/3uwYz7SOXtaqNwCYpH3iVK.