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 0xfa352adab05145642f94f9b3d0c215b406e6b1bc732de166cd7dbf96e6e6d9ee. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/eda92650-6531-41d3-a503-01c2731d59b1.json and https://artists.proofprofile.net/proofs/artist/eda92650-6531-41d3-a503-01c2731d59b1.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 0xbaa56487c7a7e822ca126e36fed35816fd2c33a77bfd9b93b79efd87a47f6922. 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/22n100wTbxXE6MqxJJf0ZM.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/22n100wTbxXE6MqxJJf0ZM.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32954cd876aab76fe5573f5feb06823fcf6fe0a74649682335ba3565e937dbc1. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2ODLk0Kd7umFS9pPNYOW84.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/2ODLk0Kd7umFS9pPNYOW84.
{"copyright_id":"0x3c74b82f64e7950c3187c8f0af69b9fa59a48d4d7f9010fcc72d5f967b2367b4","isrc":"ES5151900652","name":"Quiero mucho más (feat. Eskarnia)","registered_at":"2026-06-09T08:38:46Z","spotify_id":"4oSAd2CJwQtrRibFZvx3GF","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c74b82f64e7950c3187c8f0af69b9fa59a48d4d7f9010fcc72d5f967b2367b4. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4oSAd2CJwQtrRibFZvx3GF.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/4oSAd2CJwQtrRibFZvx3GF.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd7bb1943f229498fb579fd3b919cb6ecbdf67ba1a010100f924192f28286c6d. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1puzmxNeyW08q0sOkE89pn.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/1puzmxNeyW08q0sOkE89pn.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde84b9ffd41d278027ce81eabb3464769b9d9d6aee5a6ca862773f6c95074092. 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/5rS4WXGgIxAmzA6K9z6aq5.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/5rS4WXGgIxAmzA6K9z6aq5.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73794543a07646b3d10b46ebad2e1d5d7a6fa437bde95eb3d61267e263c8acde. 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/0xPHSq6w4bvHBwqU6xWe2u.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/0xPHSq6w4bvHBwqU6xWe2u.
Te llevo dentro (feat. Rozalén) - Mix 2019
{"copyright_id":"0x7c1fd385a678e02f75a20c9df3f1140fd8fde312a5e0c21bd6f4540df76a7544","isrc":"ES5151900711","name":"Te llevo dentro (feat. Rozalén) - Mix 2019","registered_at":"2026-06-04T15:38:30Z","spotify_id":"7efyDVJM7aCSgT2sPVIQ8M","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c1fd385a678e02f75a20c9df3f1140fd8fde312a5e0c21bd6f4540df76a7544. 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/7efyDVJM7aCSgT2sPVIQ8M.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/7efyDVJM7aCSgT2sPVIQ8M.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf51955a6bba85fd70f29065e10e305e6d740c2c6d350641eb031e298d45cc9d0. 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/4teLL1D8ctoRaZbvVKvn2M.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/4teLL1D8ctoRaZbvVKvn2M.
{"copyright_id":"0xc340b3f711ea8c5c6ac0e7f995bfe0a79a40fbebdff31aa33534afd1d4428743","isrc":"ES5151900713","name":"Hacia el sur - Mix 2019","registered_at":"2026-06-08T03:58:34Z","spotify_id":"0fhnuYRyu16ksMsxMGknZZ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc340b3f711ea8c5c6ac0e7f995bfe0a79a40fbebdff31aa33534afd1d4428743. 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/0fhnuYRyu16ksMsxMGknZZ.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/0fhnuYRyu16ksMsxMGknZZ.
{"copyright_id":"0x507921dbfee49f0cd89b3dadafd8fb672ac26ff0b891e550445125d77abe8b8a","isrc":"ES5151900714","name":"Ninguna parte - Mix 2019","registered_at":"2026-06-09T19:02:51Z","spotify_id":"4JkelIKTs68ztqatTT9APf","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x507921dbfee49f0cd89b3dadafd8fb672ac26ff0b891e550445125d77abe8b8a. 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/4JkelIKTs68ztqatTT9APf.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/4JkelIKTs68ztqatTT9APf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68d026c7e811c3595abafbb55e8d09fb929e2101fc1f85b012ea68467c347573. 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/6D9XRHFkueCvPlwCO9UuM3.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/6D9XRHFkueCvPlwCO9UuM3.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd7bb1943f229498fb579fd3b919cb6ecbdf67ba1a010100f924192f28286c6d. 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/18aewGsnSdDp3igEZGMsLh.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/18aewGsnSdDp3igEZGMsLh.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb119087b59975721b0c5746c2f1a0a59524eaba54039edd7c88af29dc45aa482. 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/2aktTASXy2rwEHiY53zPOP.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/2aktTASXy2rwEHiY53zPOP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61369ca465e3f719e61c9b99f5c2ebf61bdfdb4367db59c9b5be37dd69a05bc3. 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/50Bxa6ttkZk9q0VvzLPhbe.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/50Bxa6ttkZk9q0VvzLPhbe.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x840c5e2d480c4a3c8260bb466e4bc7c3a3b125c56b12100c20bfa023fc74cd84. 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/3tG4haF73Rm0I697GpHOtM.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/3tG4haF73Rm0I697GpHOtM.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc302f917b404bfafa17999bab994e9861e3b67775579b54dcecc295c296db835. 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/6Woq8KCUEoidirQaOhkd0X.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/6Woq8KCUEoidirQaOhkd0X.
{"copyright_id":"0x32954cd876aab76fe5573f5feb06823fcf6fe0a74649682335ba3565e937dbc1","isrc":"ES5151900721","name":"El arenal (feat. Muerdo) - Acústico","registered_at":"2026-06-04T11:55:48Z","spotify_id":"2d6sLwXhVIAdkv9GPDgJJ7","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32954cd876aab76fe5573f5feb06823fcf6fe0a74649682335ba3565e937dbc1. 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/2d6sLwXhVIAdkv9GPDgJJ7.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/2d6sLwXhVIAdkv9GPDgJJ7.
El huracán (feat. Mr. Kilombo) - Acústica
{"copyright_id":"0xf1f1ce35fcf38299eb04f2d924a82b075dd6e5b81f06ce083f66efbfe8c34c76","isrc":"ES5151900722","name":"El huracán (feat. Mr. Kilombo) - Acústica","registered_at":"2026-06-04T13:32:37Z","spotify_id":"0FVCyel1CUAVKvB6ktWsa5","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1f1ce35fcf38299eb04f2d924a82b075dd6e5b81f06ce083f66efbfe8c34c76. 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/0FVCyel1CUAVKvB6ktWsa5.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/0FVCyel1CUAVKvB6ktWsa5.
{"copyright_id":"0x3c74b82f64e7950c3187c8f0af69b9fa59a48d4d7f9010fcc72d5f967b2367b4","isrc":"ES5151900652","name":"Quiero mucho más (feat. Eskarnia)","registered_at":"2026-06-09T08:38:46Z","spotify_id":"1PMgTVpBpapR5gRn2ZyvZj","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c74b82f64e7950c3187c8f0af69b9fa59a48d4d7f9010fcc72d5f967b2367b4. 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/1PMgTVpBpapR5gRn2ZyvZj.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/1PMgTVpBpapR5gRn2ZyvZj.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa721b785fd9eb37ea9357aa2251ec3878471942aee0b5f5528a04b186fe168b8. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3wIi22JSuuHo0yI9UfkS4y.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/3wIi22JSuuHo0yI9UfkS4y.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56db240f46f4a5d1aa10904a7e315b1d27b4bfc3d3d475e31b06b21468357895. 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/7kklf4RviIJAwJt0IHrmZi.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/7kklf4RviIJAwJt0IHrmZi.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4096414134b110c2ecefda44490e9920ac23fd64e12998d61a3778902e40aee. 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/0N47Tnk7yYjLFOx6xK41oK.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/0N47Tnk7yYjLFOx6xK41oK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xccac6c7dc59e95a558842bd3506223724ab4b5b5660c170115eba6af792aeea5. 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/4VEj6pSyZ0KtAaKU1qgri8.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/4VEj6pSyZ0KtAaKU1qgri8.
{"copyright_id":"0xe24d7e662ef425d1bef2229e634071e32408e08f917dd222a02a64e5b5adcdeb","isrc":"ES5152100282","name":"Hace días (feat. Ciudad Jara)","registered_at":"2026-06-05T08:13:01Z","spotify_id":"6a0p6W0CQtro3ODHdqWI1w","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe24d7e662ef425d1bef2229e634071e32408e08f917dd222a02a64e5b5adcdeb. 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/6a0p6W0CQtro3ODHdqWI1w.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/6a0p6W0CQtro3ODHdqWI1w.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92a110b8959111f4087228dad85106cde4b067721aa02d6067f4f495d7c2b569. 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/34A9c65v9RH2DC5a8dnNZY.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/34A9c65v9RH2DC5a8dnNZY.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd689250a210799072288af462e79942f784df3313ff80beba0476b095254b49. 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/4iw7VMYoJm6nNYPZQNHYWP.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/4iw7VMYoJm6nNYPZQNHYWP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x098c9a73ad03fcd0f59503fce92a0b359e23c5159df525cf799901aa61bf2218. 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/0jQdmUnWXzNk1955peRDjZ.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/0jQdmUnWXzNk1955peRDjZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa721b785fd9eb37ea9357aa2251ec3878471942aee0b5f5528a04b186fe168b8. 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/11Ndw32wHIVqwYdpqVru6I.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/11Ndw32wHIVqwYdpqVru6I.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac552d9551598b8536b78e15aa3e26a3e3c2d8934d7639859b879853961719e1. 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/5RmyhIkEUiFOxLPwiLZ501.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/5RmyhIkEUiFOxLPwiLZ501.
{"copyright_id":"0xe86b9ee69ecbe729375335cc2b984e29437bb07c1c23bc1dfd38a8aabb9d93dc","isrc":"ES5152001197","name":"La Carretera","registered_at":"2026-06-21T20:52:32Z","spotify_id":"0on17fuu85BISK5MVcghLT","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe86b9ee69ecbe729375335cc2b984e29437bb07c1c23bc1dfd38a8aabb9d93dc. 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/0on17fuu85BISK5MVcghLT.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/0on17fuu85BISK5MVcghLT.
{"copyright_id":"0x6a998faf85e6e9419cd57c12233724bc7ed2f665429d3354c10e3e39277e382d","isrc":"ES5152100264","name":"La Despedida (feat. Valeria Castro)","registered_at":"2026-06-04T15:13:19Z","spotify_id":"4iXKXwTGBMuDPBOMpprvMI","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a998faf85e6e9419cd57c12233724bc7ed2f665429d3354c10e3e39277e382d. 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/4iXKXwTGBMuDPBOMpprvMI.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/4iXKXwTGBMuDPBOMpprvMI.
Las grietas del tiempo (feat. Luis Fercán)
Promesas (Live Riaza) (feat. Pedro Pastor)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4ffacf3c1a21b40eecce92e52c23653ed72f508f5f3c8bfa718a736ed6f6af0. 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/2pehRZBrGUQrsAnnyG02ET.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/2pehRZBrGUQrsAnnyG02ET.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x307357c88003cc14c0ff393218c2ddd2bc82d972a22f3777fe52f86d1a6b9847. 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/2ES9JejkdhQJUX3zN5tXcn.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/2ES9JejkdhQJUX3zN5tXcn.