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 0xbe0be20e2f6059b90fdcd201dfd85bf9e2aa7294e62c964ad0468b022dd8e985. 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/8846684b-2510-4227-8abc-ba90e6e231e9.json and https://artists.proofprofile.net/proofs/artist/8846684b-2510-4227-8abc-ba90e6e231e9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Inventame / Entre Ella y Tu / Soy el Kacho
El Toro Meco / El Toro Mambo / El Sinaloense
El Muchacho Alegre / Catarino y los Rurales
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 0xc99d695a42dc4abcb79244866003a22913ae557c69a6ea585c66b54f4502419e. 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/2ce0gPx1YFgBraUjt82UDj.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/2ce0gPx1YFgBraUjt82UDj.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeda9f837b7f4e84a887a205fbf83e813d2b98d791b42ea8c71520e32dc55c329. 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/4moOD7Cxdgx0SBLc1rGcF7.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/4moOD7Cxdgx0SBLc1rGcF7.
{"copyright_id":"0x78379b24aff36ddd140b80f1056ef750e557b28724ef4191e5ee309f81cf23eb","isrc":"QZDQH2146676","name":"Popurri Ranchero","registered_at":"2026-06-22T14:02:25Z","spotify_id":"1bKMppuKOblWBNRv7X8GqJ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78379b24aff36ddd140b80f1056ef750e557b28724ef4191e5ee309f81cf23eb. 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/1bKMppuKOblWBNRv7X8GqJ.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/1bKMppuKOblWBNRv7X8GqJ.
{"copyright_id":"0xd06c070fcfde8658e750bdc1e1797598bba2984b718eb37af23b3a7ea6d28574","isrc":"FRX201649649","name":"Todavía No Me la Creo","registered_at":"2026-06-09T01:07:20Z","spotify_id":"67LlYP1OXierWJOL2BIHdq","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd06c070fcfde8658e750bdc1e1797598bba2984b718eb37af23b3a7ea6d28574. 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/67LlYP1OXierWJOL2BIHdq.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/67LlYP1OXierWJOL2BIHdq.
Y Claro Que Se Puede - Sones para Jaripeo
{"copyright_id":"0xaa082c17d441934ec332c09a5626f925f9d43ea919a2fafdc3e9bed40ad9493f","isrc":"FRX201649651","name":"Y Claro Que Se Puede - Sones para Jaripeo","registered_at":"2026-06-04T10:40:58Z","spotify_id":"5HH3ziXLVxqXYnDk7mJkLf","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa082c17d441934ec332c09a5626f925f9d43ea919a2fafdc3e9bed40ad9493f. 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/5HH3ziXLVxqXYnDk7mJkLf.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/5HH3ziXLVxqXYnDk7mJkLf.
Popurrí la Puerta Negra / Ni Parientes Somos / La Mesa del Rincón
{"copyright_id":"0x7595f543de59053fd447940a4926f0fd3306ecada96d013bb7de8275264b5ffc","isrc":"FRX201649652","name":"Popurrí la Puerta Negra / Ni Parientes Somos / La Mesa del Rincón","registered_at":"2026-06-04T13:58:33Z","spotify_id":"3R8Ujl9QS3dJ6h39SyBLHt","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7595f543de59053fd447940a4926f0fd3306ecada96d013bb7de8275264b5ffc. 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/3R8Ujl9QS3dJ6h39SyBLHt.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/3R8Ujl9QS3dJ6h39SyBLHt.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96794ea74be4ef6ffff07587d1d6dc06682928680250e1306f4a6819b7f65391. 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/79ROrEDUXEM6IqwmLqDrGX.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/79ROrEDUXEM6IqwmLqDrGX.
{"copyright_id":"0xcccc8b5e4dc783f10e7ad3226caeed6311c849d3ffc244c81fb6c7d2e89435ce","isrc":"FRX201649655","name":"Mi Humilde Imperio","registered_at":"2026-06-26T08:03:11Z","spotify_id":"3PwWWq7Yu55NzNmn0YobGk","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcccc8b5e4dc783f10e7ad3226caeed6311c849d3ffc244c81fb6c7d2e89435ce. 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/3PwWWq7Yu55NzNmn0YobGk.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/3PwWWq7Yu55NzNmn0YobGk.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f06b36e4d9e3332567a252b0526ff5e4cfa82eeed63a68ae4790479737491f7. 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/1hslhZ1df838I5vB6lqcmL.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/1hslhZ1df838I5vB6lqcmL.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec962d55c8f00d5cf1b8b2daef8867485c04527fd690af634f65a478c44d27d8. 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/0BdbMluUTTD0LL5tZAE0Cp.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/0BdbMluUTTD0LL5tZAE0Cp.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9da070ec16d42b6fcdf68c23e3d30dce0b525664720a0f06e203b880c495259. 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/2j4OayrwGqeyFuUMfz0AV9.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/2j4OayrwGqeyFuUMfz0AV9.
Popurrí: No Me Amenaces / Ojalá Que Te VAyA Bonito / La Que Se Fue
{"copyright_id":"0x4b4692974382b959a8cb8d6416961a61748f19ae4d2bc3141a5c02881314d49a","isrc":"FRX201649662","name":"Popurrí: No Me Amenaces / Ojalá Que Te VAyA Bonito / La Que Se Fue","registered_at":"2026-06-06T00:15:21Z","spotify_id":"1MeFtDu1t3HWWJpjiuvKNF","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b4692974382b959a8cb8d6416961a61748f19ae4d2bc3141a5c02881314d49a. 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/1MeFtDu1t3HWWJpjiuvKNF.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/1MeFtDu1t3HWWJpjiuvKNF.
{"copyright_id":"0xc72417e36b4148ccf77bb4d840c92a5faf2ebf3500bb0ef896f3e2879b7d2911","isrc":"QZDQH2423277","name":"El Corrido de Alejandro","registered_at":"2026-06-21T14:07:19Z","spotify_id":"0H4sVfH2HrdhrdFwbjLgA3","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc72417e36b4148ccf77bb4d840c92a5faf2ebf3500bb0ef896f3e2879b7d2911. 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/0H4sVfH2HrdhrdFwbjLgA3.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/0H4sVfH2HrdhrdFwbjLgA3.
Popurrí Ranchero: La Mal Pagadora / Y Ándale / Hermosísimo Lucero
Popurrí Intocable: Fuerte No Soy / Sueña / Eres Mi Droga
Popurrí Cardenales: Mis Amores / Compré una Cantina / Compréndala
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2809e3f65c476ca84a34760324b6675325657209cb4e28a6995f6526f6517017. 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/7fTDVtvvrkkGjgsulS4pp6.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/7fTDVtvvrkkGjgsulS4pp6.
Popurri Tecno-Banda: La Niña Fresa/Si Tu Boquita Fuera/Al Gato y al Ratón/Eva Maria
{"copyright_id":"0x8881b9f2d7b83bac5f6d62a11b9bbb8996e84c27b1b9d2da99e8c5069120ce8a","isrc":"US7VG2382783","name":"Qué Agonía","registered_at":"2026-06-11T21:24:55Z","spotify_id":"4zayDZ1ZQqHpZj4fjPuKKU","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8881b9f2d7b83bac5f6d62a11b9bbb8996e84c27b1b9d2da99e8c5069120ce8a. 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/4zayDZ1ZQqHpZj4fjPuKKU.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/4zayDZ1ZQqHpZj4fjPuKKU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8c5401bf33ca0864880111bc97a292ea0804ca8446a5737f8c47a677bb477b3. 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/2uh3MuV3VoIJZF5BJ7k6Nz.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/2uh3MuV3VoIJZF5BJ7k6Nz.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ca8976ab573f2d066e4fef1ebcf6f7c217d965af9323c6c65c85829e2481da9. 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/2A8wnCwU5Aq0NE5q8xT22k.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/2A8wnCwU5Aq0NE5q8xT22k.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x185358020f3fa49e71b8f9f3213fd323d0b02c6051b2ba12b1ded2f1342b6912. 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/59t0paLM4KVRWUzvwkdk1L.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/59t0paLM4KVRWUzvwkdk1L.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe12082d580e9b263ba8e689079168ce273bede063b271dde803f804ceb45e48a. 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/5rIydL0WPJey0wwP22zzkZ.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/5rIydL0WPJey0wwP22zzkZ.
{"copyright_id":"0xac0fbb7bdca8b0f6c77ee0d7d43f32c3982a73c3ac68d7d165de6630b11233fa","isrc":"QZW9L2489049","name":"A Dónde Vas","registered_at":"2026-06-11T21:38:29Z","spotify_id":"5Ejg4EM0XxCVkeAqWKOR0T","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac0fbb7bdca8b0f6c77ee0d7d43f32c3982a73c3ac68d7d165de6630b11233fa. 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/5Ejg4EM0XxCVkeAqWKOR0T.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/5Ejg4EM0XxCVkeAqWKOR0T.
{"copyright_id":"0xfc7eb42ec3c00b201c6d250c3c40ce5b99dae072fa6a26236c3fd4e2cc357ae8","isrc":"US7VG2568470","name":"Diamante Negro","registered_at":"2026-06-26T08:03:03Z","spotify_id":"3GqmwYzLvZh7yKfbZk2TGP","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc7eb42ec3c00b201c6d250c3c40ce5b99dae072fa6a26236c3fd4e2cc357ae8. 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/3GqmwYzLvZh7yKfbZk2TGP.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/3GqmwYzLvZh7yKfbZk2TGP.