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 0xd99c93ffbe983c51567f9485241a0aa1ae915fd9a478a8c033eef2845e031094. 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/565b47f2-fe92-4b6a-9307-42b45727e3f7.json and https://artists.proofprofile.net/proofs/artist/565b47f2-fe92-4b6a-9307-42b45727e3f7.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 0xb0d88857ae80f0da85e0a582b9261275662423f164609fcf93e1b8a415005f3e. 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/5bgkgmz1bx7GxD6Kh6xeS8.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/5bgkgmz1bx7GxD6Kh6xeS8.
{"copyright_id":"0x82531619ac5305d74fdb2e86452c2d8ad70c065bcc2d1caa148df971bae5a878","isrc":"USAT22303016","name":"ADIÓS (Live Version)","registered_at":"2026-06-01T22:10:50Z","spotify_id":"3jrn71DBQDQsenUUNspQwe","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82531619ac5305d74fdb2e86452c2d8ad70c065bcc2d1caa148df971bae5a878. 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/3jrn71DBQDQsenUUNspQwe.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/3jrn71DBQDQsenUUNspQwe.
{"copyright_id":"0x1957c9edc2bb41467d9d8bcf5407acfbd265b2cd579a3a817073e390af551f1c","isrc":"ARF060500240","name":"Una Ráfaga De Amor","registered_at":"2026-06-01T22:34:14Z","spotify_id":"4vFJMrCClTb09P4fjF5oHQ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1957c9edc2bb41467d9d8bcf5407acfbd265b2cd579a3a817073e390af551f1c. 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/4vFJMrCClTb09P4fjF5oHQ.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/4vFJMrCClTb09P4fjF5oHQ.
{"copyright_id":"0xa4e00b0bf6bfa5f6b1a5f34db1bb6d72f94571e7ca54d3964d2166ad831c1b5b","isrc":"UYM122400044","name":"Todo Comenzó Bailando - Remix","registered_at":"2026-06-01T20:41:55Z","spotify_id":"5nJP1qwTNnXF4CiCrfmNjy","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4e00b0bf6bfa5f6b1a5f34db1bb6d72f94571e7ca54d3964d2166ad831c1b5b. 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/5nJP1qwTNnXF4CiCrfmNjy.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/5nJP1qwTNnXF4CiCrfmNjy.
{"copyright_id":"0x7bf92c24d531f9af97b53553e66f12f2f22adf46fef626c6d537d1a9d73a4c2f","isrc":"CLPP22300147","name":"MYA LIVE P5: Si Tú La Ves","registered_at":"2026-06-08T11:03:31Z","spotify_id":"2FGwiXNLyVC5tAovbVka08","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7bf92c24d531f9af97b53553e66f12f2f22adf46fef626c6d537d1a9d73a4c2f. 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/2FGwiXNLyVC5tAovbVka08.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/2FGwiXNLyVC5tAovbVka08.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03a2374d2c6f4a943819872bd6314b0163947e4c5dbaaf4f7984f80c3d50aaec. 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/33ulNKHKBVADxu5UptOxt9.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/33ulNKHKBVADxu5UptOxt9.
{"copyright_id":"0xf4effcdac0e0b3c6f04dc4546e396c48b22f2c457391888ef87c612aaad4ca0e","isrc":"ARF102400075","name":"Ángel de Amor","registered_at":"2026-06-06T19:27:05Z","spotify_id":"17Z5fFzgyie0uGJd7DNaT5","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4effcdac0e0b3c6f04dc4546e396c48b22f2c457391888ef87c612aaad4ca0e. 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/17Z5fFzgyie0uGJd7DNaT5.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/17Z5fFzgyie0uGJd7DNaT5.
{"copyright_id":"0xaad664b52a9a8844d84601bc5b8a7f77eb329026cc465c2f3032b408e968f8f4","isrc":"ARF102300210","name":"Caramelo de Limón","registered_at":"2026-06-08T12:57:53Z","spotify_id":"7sSsNAStIdLCZkrLkWIdvb","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaad664b52a9a8844d84601bc5b8a7f77eb329026cc465c2f3032b408e968f8f4. 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/7sSsNAStIdLCZkrLkWIdvb.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/7sSsNAStIdLCZkrLkWIdvb.
Superbailables de Siempre (Mixed by DJ Red)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x848037ac51608803907c674a777ec5319102c4068bb4fac75fa0c26eebdefdcf. 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/4wWSU0upTTcJ3zfFx37Cun.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/4wWSU0upTTcJ3zfFx37Cun.
Cumbia Classic Mix: No Me Arrepiento De Este Amor / Amores Como El Nuestro / Yo Me Estoy Enamorando / Dulce Dueña / Quédate Aquí
Fiesta, Fiesta 2019 ¡Cumbia De La Buena!
{"copyright_id":"0x33ab62487db7673a920e1dc15f5e57853595cee7513ddce8e8b2e1bd2d03c7c7","isrc":"ARF061800307","name":"Cumbia Classic Mix: No Me Arrepiento De Este Amor / Amores Como El Nuestro / Yo Me Estoy Enamorando / Dulce Dueña / Quédate Aquí","registered_at":"2026-06-05T06:28:53Z","spotify_id":"51A7kXlZ0WSG2qfYlhg6qi","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33ab62487db7673a920e1dc15f5e57853595cee7513ddce8e8b2e1bd2d03c7c7. 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/51A7kXlZ0WSG2qfYlhg6qi.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/51A7kXlZ0WSG2qfYlhg6qi.
3 Noches en el Estadio Nacional (En Vivo)
{"copyright_id":"0xb87c78e01fd211cf81b0bbaa6c8ff96cb8b300b5e6620b32f883260a0b0c7ad0","isrc":"QZGLM2572416","name":"Mix Ráfaga - En Vivo","registered_at":"2026-06-07T06:48:17Z","spotify_id":"5XaEYg5Jjz4KH08yygKByL","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb87c78e01fd211cf81b0bbaa6c8ff96cb8b300b5e6620b32f883260a0b0c7ad0. 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/5XaEYg5Jjz4KH08yygKByL.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/5XaEYg5Jjz4KH08yygKByL.
{"copyright_id":"0x4995ca5d10cae04092fa62e62e5ade0e2125b1df17d96998bc168ae21dd844f1","isrc":"QZGLM2572417","name":"Yo Te Quiero - En Vivo","registered_at":"2026-06-07T12:40:33Z","spotify_id":"7fqrqAvem9vZaE2qsNV72Y","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4995ca5d10cae04092fa62e62e5ade0e2125b1df17d96998bc168ae21dd844f1. 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/7fqrqAvem9vZaE2qsNV72Y.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/7fqrqAvem9vZaE2qsNV72Y.
{"copyright_id":"0x107adb3d97f2f01dd93ed781c9d60eec33c7758a1e067ddae08c0b26908ecef1","isrc":"ARU022000003","name":"Volver A Empezar","registered_at":"2026-06-08T20:46:10Z","spotify_id":"4G688tlTkGMZ2pP5xBHCx5","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x107adb3d97f2f01dd93ed781c9d60eec33c7758a1e067ddae08c0b26908ecef1. 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/4G688tlTkGMZ2pP5xBHCx5.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/4G688tlTkGMZ2pP5xBHCx5.