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 0x03e3b8069511a97a1e342afe8f02926a0d561c5772d2ea265334d2483d66fbf2. 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/bb3dd26d-97dc-4cbf-8355-af012aa17ba5.json and https://artists.proofprofile.net/proofs/artist/bb3dd26d-97dc-4cbf-8355-af012aa17ba5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x6dcd28dfa113b4524ecc6e68a7bc174b67967103127b414d082b7bc70f7f6dbd","isrc":"QZES52093491","name":"Tarde Nublada","registered_at":"2026-06-29T06:31:08Z","spotify_id":"53NVBVXOldJWTcYjiPTDgI","type":"track"}
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 0x6dcd28dfa113b4524ecc6e68a7bc174b67967103127b414d082b7bc70f7f6dbd. 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/53NVBVXOldJWTcYjiPTDgI.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/53NVBVXOldJWTcYjiPTDgI.
{"copyright_id":"0xc6dce0eccff11a53e32beebc0d3f73eb9c30cb34510f831166dc640cf8b15727","isrc":"QMGR32099128","name":"Yo No Se","registered_at":"2026-06-21T21:18:13Z","spotify_id":"2iaNHx2obJzfhPchdeBJ7h","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6dce0eccff11a53e32beebc0d3f73eb9c30cb34510f831166dc640cf8b15727. 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/2iaNHx2obJzfhPchdeBJ7h.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/2iaNHx2obJzfhPchdeBJ7h.
Los Seis De La Loma live at Sesiones Desde La Loma
{"copyright_id":"0x2e3ef24240fdae4da5d94ed3499af41ecce7c8ae06576cedf24adebf21085284","isrc":"QZK6K2031064","name":"La Que Siempre Ame","registered_at":"2026-06-29T00:02:19Z","spotify_id":"573HzyrVP8kpGLTywz74Ho","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e3ef24240fdae4da5d94ed3499af41ecce7c8ae06576cedf24adebf21085284. 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/573HzyrVP8kpGLTywz74Ho.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/573HzyrVP8kpGLTywz74Ho.
{"copyright_id":"0xc5f79f34fefdcd8098dabfbe2ab877f2ce497450d79712c873e8e698c4eedce4","isrc":"QZES52179800","name":"Hay Algo En Ella","registered_at":"2026-06-29T06:29:40Z","spotify_id":"79cYIniFBt9SLKDNU05qlJ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5f79f34fefdcd8098dabfbe2ab877f2ce497450d79712c873e8e698c4eedce4. 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/79cYIniFBt9SLKDNU05qlJ.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/79cYIniFBt9SLKDNU05qlJ.
Desde La Loma Live Sessions Season 2, Pt. 02
Medley Trio (Entrega, Irresistible, Las Dos) - Live
Desde La Loma Live Sessions Season 2, Pt. 01
{"copyright_id":"0x095ac91c18e0e17b5f05fd2ba388431213a8ec4a992672cc7125aec9421e5b54","isrc":"QZTAX2262684","name":"Cuando parara la lluvia","registered_at":"2026-06-08T19:21:35Z","spotify_id":"53fgWqTH9LS8zHV1Xi8PLr","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x095ac91c18e0e17b5f05fd2ba388431213a8ec4a992672cc7125aec9421e5b54. 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/53fgWqTH9LS8zHV1Xi8PLr.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/53fgWqTH9LS8zHV1Xi8PLr.
{"copyright_id":"0x2367099a19f749eadc6c9b4eb6828ec833d56cd172133d7a1fed7d17444cc84e","isrc":"QZTAX2262686","name":"Por eso hoy esta conmigo","registered_at":"2026-06-17T22:30:05Z","spotify_id":"41e453ipilMOkw6hAdnJ2l","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2367099a19f749eadc6c9b4eb6828ec833d56cd172133d7a1fed7d17444cc84e. 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/41e453ipilMOkw6hAdnJ2l.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/41e453ipilMOkw6hAdnJ2l.
{"copyright_id":"0x4ac686a1a3e9dd1af392fc182684a2194af062f3b5371e75a142b7639dc4c633","isrc":"QZTAX2262687","name":"Voy a conquistar tu amor","registered_at":"2026-06-10T16:05:33Z","spotify_id":"5IpPeGGf3YJKLCyRX1xjTM","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ac686a1a3e9dd1af392fc182684a2194af062f3b5371e75a142b7639dc4c633. 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/5IpPeGGf3YJKLCyRX1xjTM.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/5IpPeGGf3YJKLCyRX1xjTM.
Desde la Loma Live Sessions Season 2, Part 01
{"copyright_id":"0xa0a47bfcd462de20e6d686cafe7be6ff14e6973af6195c96ea9f5dfc486312f2","isrc":"QZTAZ2262687","name":"Voy a Conquistar Tu Amor (En Vivo)","registered_at":"2026-06-27T19:28:21Z","spotify_id":"0oTemCSbySWKulTExSwkX1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0a47bfcd462de20e6d686cafe7be6ff14e6973af6195c96ea9f5dfc486312f2. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0oTemCSbySWKulTExSwkX1.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/0oTemCSbySWKulTExSwkX1.
Desde la Loma Live Sessions Season 2, Part 02
Medley Trio (Entrega, Irresistible, Las Dos) (En Vivo)
{"copyright_id":"0x097df2dcba1579712302a95c739c21f690bba37e0648eabea7c09faa2d083d5f","isrc":"QZDQH2271002","name":"Desde La Loma","registered_at":"2026-06-09T06:36:01Z","spotify_id":"4MtzwDh0TqrGw8BlhnY0DA","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x097df2dcba1579712302a95c739c21f690bba37e0648eabea7c09faa2d083d5f. 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/4MtzwDh0TqrGw8BlhnY0DA.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/4MtzwDh0TqrGw8BlhnY0DA.
Desde la Loma Live Sessions Season 2, Part 04
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6363406c7fda037ec2ebfea282505b9209759c84bd02c9184cd4cf785922c8ac. 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/5fL8xWu6RqCuz06beDe3o7.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/5fL8xWu6RqCuz06beDe3o7.
Medley Lalo Rodriguez: Desilucion, La Ultima (En Vivo)
Desde la Loma Live Sessions Season 2, Pt. 03
Medley Exitos: Mil Violines, Fujitiva, Magia Blanca, Historia de Amor, Se Acabo, Jamas te Olvidare (En Vivo)
Desde La Loma Live Sessions Season 2 Part 02
Medley Trio (Entrega, Irresistible, Las Dos) [Live]
{"copyright_id":"0xef8ecbb28fdce2aa06ba58023e3c30a79d4ca4a73a41ea4707852bfae45d32b0","isrc":"QZDA42465766","name":"EN OTRA VIDA","registered_at":"2026-06-29T06:28:22Z","spotify_id":"2WQPRHyBZtNp1fQ7ndEbNH","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef8ecbb28fdce2aa06ba58023e3c30a79d4ca4a73a41ea4707852bfae45d32b0. 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/2WQPRHyBZtNp1fQ7ndEbNH.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/2WQPRHyBZtNp1fQ7ndEbNH.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x190454d2d7af491db3d4e063e449228347610c02dcb80b1e1551b389ee37b2a7. 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/4gcnnfqlQUEzJ5ioMiyKw9.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/4gcnnfqlQUEzJ5ioMiyKw9.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e033f84d73b123484f54f6e585864f98b174f59338b6d50fe8056deb3ab6e35. 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/5626QwmzXqUNthnBXlH7EY.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/5626QwmzXqUNthnBXlH7EY.