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 0xe596e318d09cb4d10f5f16ed337e0eb0e6315b4d1a9fc0ba631f9cde927c3724. 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/b48f784e-f001-4c60-9cd1-b43b1fa453aa.json and https://artists.proofprofile.net/proofs/artist/b48f784e-f001-4c60-9cd1-b43b1fa453aa.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 0x3c3c92cf174eb32c5db86f4a63dc0d157703691c7065f74406a4991dd9672b80. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0jjXI4Z8hdRe3vdsodYJ4r.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/0jjXI4Z8hdRe3vdsodYJ4r.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c3c92cf174eb32c5db86f4a63dc0d157703691c7065f74406a4991dd9672b80. 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/4A5lnf12MzBi04Ul8fF1ji.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/4A5lnf12MzBi04Ul8fF1ji.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51af477eeb67af9451243407dd09c2eac10c8465cd2ef14869c85bbbcaf7ed52. 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/1KC33ko0ShT3rlNdnbX9L3.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/1KC33ko0ShT3rlNdnbX9L3.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6215dd85924c05589ecc7e6a59881f8c0a6561c2c3bb86424b059e6ccfe35ea6. 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/1sRRIQNNk4GUPz8NcvID3A.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/1sRRIQNNk4GUPz8NcvID3A.
{"copyright_id":"0xf5487fc73d6bd57e55a02b1b216b44511679e269ac2a01f466f9e780c2646adf","isrc":"DGA0S2483278","name":"La Noche - Afro House Extended Mix","registered_at":"2026-06-27T15:13:05Z","spotify_id":"6MuaJd7p5KIgByBb1vVl17","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf5487fc73d6bd57e55a02b1b216b44511679e269ac2a01f466f9e780c2646adf. 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/6MuaJd7p5KIgByBb1vVl17.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/6MuaJd7p5KIgByBb1vVl17.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34755bf4227802a4222b65746bffacf73461244dc7ab6c3b26a2ac3002274607. 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/0hXlOspkC4jw5zwdTbz0Vg.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/0hXlOspkC4jw5zwdTbz0Vg.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c33cac1611ef72f8ab911f3e59e13207b5ee44b9bb96d918176761ca1788422. 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/6FGaGnenXP7aYRA4dhyAh7.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/6FGaGnenXP7aYRA4dhyAh7.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83b319c52a67e4d5ac313809542dbe169dce50c174aa99aa737f07c72cb0cdad. 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/4zdii6OO72wPnS8psV6sJj.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/4zdii6OO72wPnS8psV6sJj.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf91e81f028681a784bde689a4f4b6abb3790500272de161512610b6f968ade2. 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/54XLaoN02yA172fUlhsXKW.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/54XLaoN02yA172fUlhsXKW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d44d4aebd5d9aa9d3d903cb797a546b22362de877059c8ffc2c2489c279fece. 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/60fTIb3SaroYM1NJY3kmAr.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/60fTIb3SaroYM1NJY3kmAr.
{"copyright_id":"0xe35aabdfb7179429d1030f900f0a00be668b27b3ffe6eb1922377325fbe0a272","isrc":"DGA0R2472683","name":"Canto Del Pilón","registered_at":"2026-06-08T14:34:53Z","spotify_id":"5hGXBVCaOiRbVsv9UPQSxv","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe35aabdfb7179429d1030f900f0a00be668b27b3ffe6eb1922377325fbe0a272. 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/5hGXBVCaOiRbVsv9UPQSxv.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/5hGXBVCaOiRbVsv9UPQSxv.
{"copyright_id":"0xdcfbab0c0ec790da3f076a0cab9f81e14ad0ca4d98acc5987ccca5da08a1e6b5","isrc":"DGA0R2472684","name":"Canto Del Pilón - Extended Mix","registered_at":"2026-06-27T15:25:28Z","spotify_id":"5TOjkJaqItXjO2Mggxwn8V","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdcfbab0c0ec790da3f076a0cab9f81e14ad0ca4d98acc5987ccca5da08a1e6b5. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5TOjkJaqItXjO2Mggxwn8V.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/5TOjkJaqItXjO2Mggxwn8V.
{"copyright_id":"0xfea53ef6622909cb8000c335b1b75bfe676c80a9de236c03e1bde08cb8f35a5e","isrc":"QZWDD2599668","name":"My Dream","registered_at":"2026-06-05T05:55:55Z","spotify_id":"3VHTRQqwZ51KsL2VkrBZFv","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfea53ef6622909cb8000c335b1b75bfe676c80a9de236c03e1bde08cb8f35a5e. 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/3VHTRQqwZ51KsL2VkrBZFv.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/3VHTRQqwZ51KsL2VkrBZFv.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf5cf551d19b9f9a239ea0e20881f34e4a0df495a46ef8fd72ac840f539594623. 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/39CaT6KwQi81Oc8EHhuL7w.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/39CaT6KwQi81Oc8EHhuL7w.
{"copyright_id":"0x81bb42e0850eb1dd69dbc6c27be3759e7de251684dabe2b7a8c346d00f72671e","isrc":"QZTRX2565969","name":"Sola Nací - Extended Mix","registered_at":"2026-06-09T04:20:35Z","spotify_id":"4tglRbpF1WyK1QqnNSMTDz","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81bb42e0850eb1dd69dbc6c27be3759e7de251684dabe2b7a8c346d00f72671e. 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/4tglRbpF1WyK1QqnNSMTDz.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/4tglRbpF1WyK1QqnNSMTDz.
Cascabel (feat. Alé Kumá, G4bba) - Extended Mix
Cascabel (feat. Alé Kumá, G4bba) [Extended Mix]