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 0x405f20d99a9caf80f40662e2040ffeacd8478f1ca31a68afd6eeb8a680666e5e. 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/7f681457-aae6-4c72-a7e3-d511b657a5e1.json and https://artists.proofprofile.net/proofs/artist/7f681457-aae6-4c72-a7e3-d511b657a5e1.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 0x33d69b222e7f6c12ad183b3aef2b0416828b81a8de103c347ccf13742effe916. 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/6X7wUIz4tP7JcAauyU0h2j.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/6X7wUIz4tP7JcAauyU0h2j.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf65e4f04982ec75107454126847120cc25341a219559d97d8f6e2fa34c9f1728. 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/2r2tcGKIrwmwnAGI6ey1P4.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/2r2tcGKIrwmwnAGI6ey1P4.
{"copyright_id":"0x547cda08f5d1cc91c9493a587fca330ddac0e3883661c53ea0c235b9cc11cd0e","isrc":"USVXU1800006","name":"La Llorona","registered_at":"2026-06-01T22:15:04Z","spotify_id":"3pSjS1IJJMQ6MhVIPiE0Om","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x547cda08f5d1cc91c9493a587fca330ddac0e3883661c53ea0c235b9cc11cd0e. 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/3pSjS1IJJMQ6MhVIPiE0Om.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/3pSjS1IJJMQ6MhVIPiE0Om.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xacdd1e1f9974b37f7b57344e12c2db2884bbb0e58f950d135383e83085772a20. 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/4ArF0aaOlk4K7VAjOVaQgq.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/4ArF0aaOlk4K7VAjOVaQgq.
{"copyright_id":"0x75deebadd8a2c66843c84b4ada24c9ad7d9ad5a9935efd909387c8f5684cda7b","isrc":"MXF012200200","name":"Qué Agonía","registered_at":"2026-06-01T08:18:54Z","spotify_id":"5WEt9MiZPNmCbhu8GOR9Kk","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75deebadd8a2c66843c84b4ada24c9ad7d9ad5a9935efd909387c8f5684cda7b. 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/5WEt9MiZPNmCbhu8GOR9Kk.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/5WEt9MiZPNmCbhu8GOR9Kk.
{"copyright_id":"0x3c0c8740fcf4228c5ce5668bffab0ba0c8c13071f75797a9eccd6c94f018d562","isrc":"MXUM72006106","name":"Dime Cómo Quieres","registered_at":"2026-06-01T08:09:03Z","spotify_id":"4jcxBTrNvyqMJdMDyyjdYV","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c0c8740fcf4228c5ce5668bffab0ba0c8c13071f75797a9eccd6c94f018d562. 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/4jcxBTrNvyqMJdMDyyjdYV.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/4jcxBTrNvyqMJdMDyyjdYV.
{"copyright_id":"0xca4c08b7c4a42c155b1751d988ff8a288c384dc85e69a19a8913b1427f3c9488","isrc":"USA2P2324708","name":"Invítame A Un Café","registered_at":"2026-06-04T07:40:45Z","spotify_id":"1ub5QfjiNrqOGkXBmteOxB","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca4c08b7c4a42c155b1751d988ff8a288c384dc85e69a19a8913b1427f3c9488. 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/1ub5QfjiNrqOGkXBmteOxB.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/1ub5QfjiNrqOGkXBmteOxB.
Invítame A Un Café (Steve Aoki & Deorro Remix)
{"copyright_id":"0x7f7e1bc28283597f25eb95804f349540db086c0532d855717b383d314bc89741","isrc":"USA2P2335502","name":"Invítame A Un Café (Steve Aoki & Deorro Remix)","registered_at":"2026-06-06T01:02:53Z","spotify_id":"2D75sVKFfKAhb9V9kChgKZ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f7e1bc28283597f25eb95804f349540db086c0532d855717b383d314bc89741. 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/2D75sVKFfKAhb9V9kChgKZ.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/2D75sVKFfKAhb9V9kChgKZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca4c08b7c4a42c155b1751d988ff8a288c384dc85e69a19a8913b1427f3c9488. 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/5gv6rmOzIQkC6CHbelz60d.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/5gv6rmOzIQkC6CHbelz60d.
POR EL CONTRARIO (with Angela Aguilar & Leonardo Aguilar)
{"copyright_id":"0x9b0d13e9e48fb6c3ddca968a2803802a85805f71db153c05cb6da8138aa299cb","isrc":"USRC12302408","name":"POR EL CONTRARIO (with Angela Aguilar & Leonardo Aguilar)","registered_at":"2026-06-01T04:43:46Z","spotify_id":"6VsqdsaY4oV06NODea0L0J","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b0d13e9e48fb6c3ddca968a2803802a85805f71db153c05cb6da8138aa299cb. 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/6VsqdsaY4oV06NODea0L0J.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/6VsqdsaY4oV06NODea0L0J.
{"copyright_id":"0x8a969387aab534cb7a12c7aa7968053b6b6537dbac71db9f21a8ce4591d6bc50","isrc":"USVXU2100022","name":"Ella Qué Te Dio","registered_at":"2026-06-10T01:34:57Z","spotify_id":"1VrqAZ1LYLhiQFKowyztLU","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a969387aab534cb7a12c7aa7968053b6b6537dbac71db9f21a8ce4591d6bc50. 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/1VrqAZ1LYLhiQFKowyztLU.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/1VrqAZ1LYLhiQFKowyztLU.
{"copyright_id":"0x7f7e1bc28283597f25eb95804f349540db086c0532d855717b383d314bc89741","isrc":"USA2P2335502","name":"Invítame A Un Café (Steve Aoki & Deorro Remix)","registered_at":"2026-06-06T01:02:53Z","spotify_id":"58zNM8pkHPbkkqXkWQTGeA","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f7e1bc28283597f25eb95804f349540db086c0532d855717b383d314bc89741. 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/58zNM8pkHPbkkqXkWQTGeA.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/58zNM8pkHPbkkqXkWQTGeA.
{"copyright_id":"0xc302b014f150deb73d221fdc2f7f1ffe19b105ede05f9f14b9d8782672bb7dbd","isrc":"USVXU2100005","name":"La Llorona","registered_at":"2026-06-06T01:50:07Z","spotify_id":"6zbHGeoaJjwQXXZLEiOJGG","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc302b014f150deb73d221fdc2f7f1ffe19b105ede05f9f14b9d8782672bb7dbd. 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/6zbHGeoaJjwQXXZLEiOJGG.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/6zbHGeoaJjwQXXZLEiOJGG.
{"copyright_id":"0x9248458189a8400cc42bcefca85a2647d05852eee2bf5fde55020ea97dd25410","isrc":"USVXU2100006","name":"Camino de Guanajuato","registered_at":"2026-06-06T19:24:32Z","spotify_id":"2XzgEjNt8dnL53FUh8ozqX","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9248458189a8400cc42bcefca85a2647d05852eee2bf5fde55020ea97dd25410. 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/2XzgEjNt8dnL53FUh8ozqX.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/2XzgEjNt8dnL53FUh8ozqX.
{"copyright_id":"0xe8e54ac5792f3d501679e61c0bb015f2071deb510d1ca210bcf008a945c6ba4b","isrc":"USVXU2100007","name":"El Jinete","registered_at":"2026-06-11T19:55:56Z","spotify_id":"0XROtlxctgwTMDikfkZp92","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8e54ac5792f3d501679e61c0bb015f2071deb510d1ca210bcf008a945c6ba4b. 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/0XROtlxctgwTMDikfkZp92.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/0XROtlxctgwTMDikfkZp92.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67fddedb234631c114f4aac7f5f32134275936ca539f962a8f5340ee3b25b0cf. 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/5PDfG5Nht0jPP3QP87mLSm.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/5PDfG5Nht0jPP3QP87mLSm.
{"copyright_id":"0x267fe22fd50551d5d44416276ff3bb5a978a3a235a0b6edc125060a5516f89ca","isrc":"USVXU2100009","name":"Que Me Entierren Con la Banda","registered_at":"2026-06-04T14:19:51Z","spotify_id":"6EubqUdydkHdtnXStHOlVN","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x267fe22fd50551d5d44416276ff3bb5a978a3a235a0b6edc125060a5516f89ca. 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/6EubqUdydkHdtnXStHOlVN.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/6EubqUdydkHdtnXStHOlVN.
{"copyright_id":"0xea629a830e2e554aa69248496734bbc3af812d18e9db5a7873e8ccaf85615ec2","isrc":"USVXU2100010","name":"México Lindo y Querido","registered_at":"2026-06-07T03:41:20Z","spotify_id":"6J0MUeAlG2LqL45PyyfASz","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea629a830e2e554aa69248496734bbc3af812d18e9db5a7873e8ccaf85615ec2. 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/6J0MUeAlG2LqL45PyyfASz.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/6J0MUeAlG2LqL45PyyfASz.
{"copyright_id":"0x4a97d4db1d824d8f612752ad2e2bf47a25888a4622827bb84e8badf101a5d002","isrc":"USVXU2000018","name":"Tu Sangre en Mi Cuerpo","registered_at":"2026-06-05T13:16:40Z","spotify_id":"20IsHVN45KlqVrXbm9Z3oO","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a97d4db1d824d8f612752ad2e2bf47a25888a4622827bb84e8badf101a5d002. 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/20IsHVN45KlqVrXbm9Z3oO.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/20IsHVN45KlqVrXbm9Z3oO.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3163f106968412dd265a7b4ba596b1c78879cf2b4499ab35712afeb95f7d5672. 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/5mI53VftLUPdxW0r6qR7VX.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/5mI53VftLUPdxW0r6qR7VX.