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 0x4f5c12715482fc8e6caac1f45f574e83d251c99bfba69833dc833382a15cadc1. 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/25e88360-d46a-4d3a-84ee-290f6e0baf72.json and https://artists.proofprofile.net/proofs/artist/25e88360-d46a-4d3a-84ee-290f6e0baf72.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 0x8ad6d72235c1663b34507b6844d44d96efc2a8e6a633baea75589a3d2e0c698a. 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/05CE3Zuw2xv6icu2UkKK60.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/05CE3Zuw2xv6icu2UkKK60.
Tito Nieves Medley (Sonambulo / El Amor Más Bonito / Almohada) - Live
{"copyright_id":"0x34ba9e55d22f5f9e96e090847d13ac84e8727f68478b2177d0d01b92e7f1fd25","isrc":"QMEU31822264","name":"Tito Nieves Medley (Sonambulo / El Amor Más Bonito / Almohada) - Live","registered_at":"2026-06-08T02:16:20Z","spotify_id":"2kSv1nvmn6OLDaUlvsryYp","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34ba9e55d22f5f9e96e090847d13ac84e8727f68478b2177d0d01b92e7f1fd25. 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/2kSv1nvmn6OLDaUlvsryYp.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/2kSv1nvmn6OLDaUlvsryYp.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8532169ae797c65081d1375f531ef3a6cbf283e692f7686819f7b4d42e6ca360. 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/6tl3qG5GGx6WX6nyzn010M.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/6tl3qG5GGx6WX6nyzn010M.
Marc Anthony/Luis Enrique Medley (Hasta Que Te Conocí / Yo No Se Mañana / Vivir Mi Vida) - Live
{"copyright_id":"0xb7150fcca2a03548b006ec7470deced2d833a2f9897487b3abd845e1d56ad36d","isrc":"QMEU31822266","name":"Marc Anthony/Luis Enrique Medley (Hasta Que Te Conocí / Yo No Se Mañana / Vivir Mi Vida) - Live","registered_at":"2026-06-08T11:06:20Z","spotify_id":"6PviCzTPtBuEtd5YLLacot","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7150fcca2a03548b006ec7470deced2d833a2f9897487b3abd845e1d56ad36d. 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/6PviCzTPtBuEtd5YLLacot.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/6PviCzTPtBuEtd5YLLacot.
{"copyright_id":"0x063fb800a8ec7529a9eab829246e78c782243d91a837310c5effb9721600d05b","isrc":"QMEU31822267","name":"I Like It Like That - Live","registered_at":"2026-06-10T02:36:40Z","spotify_id":"3QAJBeLyGsCSzeqvf4CSjE","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x063fb800a8ec7529a9eab829246e78c782243d91a837310c5effb9721600d05b. 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/3QAJBeLyGsCSzeqvf4CSjE.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/3QAJBeLyGsCSzeqvf4CSjE.
{"copyright_id":"0xb7b64215cab4ef91d0d965e4103d6f3c0b11bfb023d76e8efb43166ab59fed1a","isrc":"QMEU31814277","name":"Cuando Te Miro","registered_at":"2026-06-06T02:02:39Z","spotify_id":"22q2vb5U0lbiP6WYzJLF7x","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7b64215cab4ef91d0d965e4103d6f3c0b11bfb023d76e8efb43166ab59fed1a. 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/22q2vb5U0lbiP6WYzJLF7x.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/22q2vb5U0lbiP6WYzJLF7x.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d5913babf78464b4821c97e5ce159973bbd61310a36c3420102f9b54015137f. 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/2958Sw7tXhz1DsSiw9jYoY.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/2958Sw7tXhz1DsSiw9jYoY.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x654539801c27bf73f500b7a2b07c8c4403a39390c5331a0bdad4862211f57f33. 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/3JKfOdsUPls8AuAo65kBqd.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/3JKfOdsUPls8AuAo65kBqd.
{"copyright_id":"0x478d12771db0e54863c35d6a2ecac0cd71c32f06b7e1ca69793a41d63bb41e91","isrc":"USSD12400059","name":"Cosas Del Amor (feat. Tito Nieves)","registered_at":"2026-06-05T05:59:32Z","spotify_id":"42RY9VETwNoDlVlUDI5lTM","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x478d12771db0e54863c35d6a2ecac0cd71c32f06b7e1ca69793a41d63bb41e91. 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/42RY9VETwNoDlVlUDI5lTM.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/42RY9VETwNoDlVlUDI5lTM.
I Like It (Like That) (feat. Ray Barretto, Sheila E., Tito Nieves, Tito Puente, Paquito D'Rivera, Dave Valentin & Grover Washington, Jr.) - Radio Mix
{"copyright_id":"0xcf78fd10b7c5b16b95f401c56e37c016c088d6b027fdd6955085cd0eab883ab6","isrc":"USSM19400518","name":"I Like It (Like That) (feat. Ray Barretto, Sheila E., Tito Nieves, Tito Puente, Paquito D'Rivera, Dave Valentin & Grover Washington, Jr.) - Radio Mix","registered_at":"2026-06-09T15:46:28Z","spotify_id":"79IA9aWuQgGW8wWJGYdKhv","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf78fd10b7c5b16b95f401c56e37c016c088d6b027fdd6955085cd0eab883ab6. 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/79IA9aWuQgGW8wWJGYdKhv.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/79IA9aWuQgGW8wWJGYdKhv.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d5913babf78464b4821c97e5ce159973bbd61310a36c3420102f9b54015137f. 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/3rwerGOgNZKWfmYL3XmtkZ.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/3rwerGOgNZKWfmYL3XmtkZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x654539801c27bf73f500b7a2b07c8c4403a39390c5331a0bdad4862211f57f33. 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/7EIJH4fKgKNFDqJGSde6tO.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/7EIJH4fKgKNFDqJGSde6tO.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16e08703137032d53621d9acf8d44afb34d19dc328291503f840be2e2721053b. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1JZ3lYrSa4BswoPbaWhjSH.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/1JZ3lYrSa4BswoPbaWhjSH.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16e08703137032d53621d9acf8d44afb34d19dc328291503f840be2e2721053b. 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/5ju2uIITK3ZXXhF9e074iG.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/5ju2uIITK3ZXXhF9e074iG.
{"copyright_id":"0x36628f29f3d8ffdb4ddb3bf98ea6d59de3abec8454a361cc813a2c049e701452","isrc":"US4W80500183","name":"Me Cambiaste La Vida","registered_at":"2026-06-07T03:39:15Z","spotify_id":"7DrZL3IWbi9WewAumgPY3u","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36628f29f3d8ffdb4ddb3bf98ea6d59de3abec8454a361cc813a2c049e701452. 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/7DrZL3IWbi9WewAumgPY3u.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/7DrZL3IWbi9WewAumgPY3u.
Latin Hits Club Edition 2013 (Kuduro, Salsa, Bachata, Merengue, Reggaeton, Fitness, Mambo, Timba, Cubaton, Dembow, Cumbia)