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 0xb9f229ba7c826d71b27b7e8ea03adedd38498de85fc31915046a1fc007fd1c44. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/5128c78e-a9e4-46b0-97f7-554af257bc46.json and https://artists.proofprofile.net/proofs/artist/5128c78e-a9e4-46b0-97f7-554af257bc46.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 0x74a22be145dffb88eed258f91d02b240b726d1344b210137ae15d375904813e1. 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/426kUsOMW5p2VWEVNu5BxF.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/426kUsOMW5p2VWEVNu5BxF.
México Se Pinta de Luz (Only for Streaming)
L'appuntamento (Sentado a 'beira do caminho)
{"copyright_id":"0xed843afdf52af4e28b1749b15138c717058c4331895c0dc5a3971084a2b18208","isrc":"ITZ040500143","name":"L'appuntamento (Sentado a 'beira do caminho)","registered_at":"2026-06-04T16:10:59Z","spotify_id":"3jNvZlcQ4V4VI7gspcWeYI","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed843afdf52af4e28b1749b15138c717058c4331895c0dc5a3971084a2b18208. 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/3jNvZlcQ4V4VI7gspcWeYI.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/3jNvZlcQ4V4VI7gspcWeYI.
Nuestro Encuentro (Sentado A 'Beira Do Caminho)
{"copyright_id":"0x455cde300d88e7dd28a774e0a37281aeaaebadd38e52bdbeead22b8b48f78f58","isrc":"ITZ040500154","name":"Nuestro Encuentro (Sentado A 'Beira Do Caminho)","registered_at":"2026-06-04T06:14:42Z","spotify_id":"5NFOVKTMfkfmBbdLbrev2P","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x455cde300d88e7dd28a774e0a37281aeaaebadd38e52bdbeead22b8b48f78f58. 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/5NFOVKTMfkfmBbdLbrev2P.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/5NFOVKTMfkfmBbdLbrev2P.
Aunque Mal Paguen Ellas (with Roberto Carlos) - Remasterizado 2005
{"copyright_id":"0x8c32c70e13449e05b9b47bd49215368fa0187d70fdc0bb1d5fb3726385ea211a","isrc":"MXF010500226","name":"Aunque Mal Paguen Ellas (with Roberto Carlos) - Remasterizado 2005","registered_at":"2026-06-06T16:30:59Z","spotify_id":"0k5Dw1ZT0rS8qw9e4laIlY","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c32c70e13449e05b9b47bd49215368fa0187d70fdc0bb1d5fb3726385ea211a. 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/0k5Dw1ZT0rS8qw9e4laIlY.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/0k5Dw1ZT0rS8qw9e4laIlY.
Tutti-Frutti / Long Tall Sally / Hound Dog / Blue Suede Shoes / Love me Tender (feat. Erasmo Carlos)
{"copyright_id":"0x0907fefd966a7722a4044089ff4181f95117a1381917a2916782084c63725a26","isrc":"BRAPF0600046","name":"Tutti-Frutti / Long Tall Sally / Hound Dog / Blue Suede Shoes / Love me Tender (feat. Erasmo Carlos)","registered_at":"2026-06-06T08:24:13Z","spotify_id":"0vCCyFGxHDDUs10hieevT5","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0907fefd966a7722a4044089ff4181f95117a1381917a2916782084c63725a26. 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/0vCCyFGxHDDUs10hieevT5.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/0vCCyFGxHDDUs10hieevT5.
Ternura (Somehow it got to be tomorrow (today)) (feat. Wanderléa)
{"copyright_id":"0xb52f37ac3f8d711e2ea264b7134c18d447d292b44707761a5941819f383d2dce","isrc":"BRAPF0600047","name":"Ternura (Somehow it got to be tomorrow (today)) (feat. Wanderléa)","registered_at":"2026-06-06T09:43:54Z","spotify_id":"3ZRUdnvEx5gk7C1fIVf9Vm","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb52f37ac3f8d711e2ea264b7134c18d447d292b44707761a5941819f383d2dce. 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/3ZRUdnvEx5gk7C1fIVf9Vm.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/3ZRUdnvEx5gk7C1fIVf9Vm.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe403f6ae39620f42d0ae424ca0c094fdaa18647b2a31877390720d1f91867379. 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/2hKDq0ixP3F9OsSu9Mu6hm.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/2hKDq0ixP3F9OsSu9Mu6hm.
Coração de Estudante (feat. Milton Nascimento)
{"copyright_id":"0x962832f59f1ea9267202963ed6ee97f84d0031b6db7f83c5b4d2f3fe690c704a","isrc":"BRAPF0600049","name":"Coração de Estudante (feat. Milton Nascimento)","registered_at":"2026-06-05T21:07:21Z","spotify_id":"2CN8FBm1EICupHecnriuwA","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x962832f59f1ea9267202963ed6ee97f84d0031b6db7f83c5b4d2f3fe690c704a. 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/2CN8FBm1EICupHecnriuwA.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/2CN8FBm1EICupHecnriuwA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4da894a273c03e34e06295e0863e667b6628c13ede61ce781679877587c30558. 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/7vV6wzOXr3t100Lm8WszLE.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/7vV6wzOXr3t100Lm8WszLE.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3e31935230acb4e7d180f783a4955d99255835f4461e97c464b01b9aa694309. 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/4CUaHXnz4Ubkvs0Gq6dCfE.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/4CUaHXnz4Ubkvs0Gq6dCfE.
{"copyright_id":"0x9a05a071aa1437e365b2f116de3d10b6b10b4d23de427fe9e834696b0686478e","isrc":"BRAPF0600052","name":"Amazônia (feat. Chitãozinho & Xororó)","registered_at":"2026-06-05T21:08:41Z","spotify_id":"5Q8rJ7mPSox2e6G7cq21kH","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a05a071aa1437e365b2f116de3d10b6b10b4d23de427fe9e834696b0686478e. 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/5Q8rJ7mPSox2e6G7cq21kH.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/5Q8rJ7mPSox2e6G7cq21kH.
{"copyright_id":"0x98381ab34a3acaef1bcffd1147810e7349f5b0b7cf872ee92285fb185a0a1fc4","isrc":"BRAPF0600053","name":"Desabafo (feat. Angela Maria)","registered_at":"2026-06-06T03:27:27Z","spotify_id":"6ESQGbNhUaISGrE6oM5vrq","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98381ab34a3acaef1bcffd1147810e7349f5b0b7cf872ee92285fb185a0a1fc4. 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/6ESQGbNhUaISGrE6oM5vrq.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/6ESQGbNhUaISGrE6oM5vrq.
Se você quer (Si Piensas si quieres) (feat. Fafá De Belém)
{"copyright_id":"0x18f35e6413ef5d9c5fe12db28f0aac7b4e11ef147f2d068dcc5fab0daae2ea33","isrc":"BRAPF0600054","name":"Se você quer (Si Piensas si quieres) (feat. Fafá De Belém)","registered_at":"2026-06-05T05:52:29Z","spotify_id":"3lhYQ3LqYAtu4D26UQRzpX","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18f35e6413ef5d9c5fe12db28f0aac7b4e11ef147f2d068dcc5fab0daae2ea33. 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/3lhYQ3LqYAtu4D26UQRzpX.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/3lhYQ3LqYAtu4D26UQRzpX.
Rei do Gado (feat. Sérgio Reis & Almir Sater)
{"copyright_id":"0xee136971daee2b617f2faa755d9db895e71aace5d7f2a79dbb21abf18f46f23d","isrc":"BRAPF0600055","name":"Rei do Gado (feat. Sérgio Reis & Almir Sater)","registered_at":"2026-06-04T14:51:49Z","spotify_id":"2eG1ervy8QsqkbarbYs4Pg","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee136971daee2b617f2faa755d9db895e71aace5d7f2a79dbb21abf18f46f23d. 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/2eG1ervy8QsqkbarbYs4Pg.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/2eG1ervy8QsqkbarbYs4Pg.
Se Eu Não Te Amasse Tanto Assim (feat. Ivete Sangalo)
{"copyright_id":"0x564eb1fbc197387a5bd0df56b7a3d4028f114c10602a6a9b12cc3b816661389e","isrc":"BRAPF0600056","name":"Se Eu Não Te Amasse Tanto Assim (feat. Ivete Sangalo)","registered_at":"2026-06-05T05:47:02Z","spotify_id":"3lSMgnWusAWGfQ6C6QFAmA","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x564eb1fbc197387a5bd0df56b7a3d4028f114c10602a6a9b12cc3b816661389e. 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/3lSMgnWusAWGfQ6C6QFAmA.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/3lSMgnWusAWGfQ6C6QFAmA.
{"copyright_id":"0x3a2a6ef84a9da75141855e984d642280710a09d79b930be3f01d33ff1adc7528","isrc":"BRAPF0600057","name":"Alegria, Alegria (feat. Caetano Veloso)","registered_at":"2026-06-06T03:24:32Z","spotify_id":"6v8ebek5hjaPoGjb8tXZew","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a2a6ef84a9da75141855e984d642280710a09d79b930be3f01d33ff1adc7528. 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/6v8ebek5hjaPoGjb8tXZew.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/6v8ebek5hjaPoGjb8tXZew.
{"copyright_id":"0x8d0dbf07e47768c2019f3f573750085c325cdaee6bb1a36343ed701331e1a60e","isrc":"BRAPF0600058","name":"Além do Horizonte (feat. Jota Quest)","registered_at":"2026-06-05T08:15:40Z","spotify_id":"5TwF3Z9ZWZth038Ixy5AOo","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d0dbf07e47768c2019f3f573750085c325cdaee6bb1a36343ed701331e1a60e. 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/5TwF3Z9ZWZth038Ixy5AOo.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/5TwF3Z9ZWZth038Ixy5AOo.
Jovens Tardes de Domingo (feat. Jerry Adriani, Cleide Alves, Wanderley Cardoso, Ed Carlos, Erasmo Carlos, Ronaldo Luis, Marcio Augusto, Martinha, José Ricardo, Rosemary, Ari Sanches, Waldiren