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 0x2fa39dfae7c243870579a7947066136f25cd08dff27a70decdc66ff68e22a90b. 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/eb21f37d-46e5-41b6-bad8-0319570fea66.json and https://artists.proofprofile.net/proofs/artist/eb21f37d-46e5-41b6-bad8-0319570fea66.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Mc Soffia no Estúdio Showlivre (Ao Vivo)
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 0xfa4b464736db78cc9056fddb9117bd55f559b837d68cc8443e8abf7da5541ff1. 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/3uRuB1nkOD1wgMko3MZi2D.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/3uRuB1nkOD1wgMko3MZi2D.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb546d4bbe3fc750d50d82ebd21bdb62f56c985ad5f070644e87e21616692c822. 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/0vB8TwivSx9NBMRXaMLIZw.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/0vB8TwivSx9NBMRXaMLIZw.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc55129166bc1acdaa13b1754c5a0cd3c6cb12f3c0c44c2c610aad13d9e8b289. 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/5OU9MTz2dl9HKJmoxA5dJV.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/5OU9MTz2dl9HKJmoxA5dJV.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe102433c59bc24d74590b4afb13378cb08ae173890762b993b6fa98e38c38d4d. 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/0R9sMsxooyc1OTf0LO4KyS.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/0R9sMsxooyc1OTf0LO4KyS.
{"copyright_id":"0xc1abf7bdc318b35ab3bb3f2e01f250795fed00d02e6b04c7df48deca18f508a5","isrc":"BX8C52200007","name":"Postura de Dama","registered_at":"2026-06-10T01:36:00Z","spotify_id":"54uVb9PRdXeDoCkz4ykJLZ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1abf7bdc318b35ab3bb3f2e01f250795fed00d02e6b04c7df48deca18f508a5. 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/54uVb9PRdXeDoCkz4ykJLZ.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/54uVb9PRdXeDoCkz4ykJLZ.
{"copyright_id":"0xd46a6fd2ec2044ccb3d9aeac632d7e30359ae1bd6dbcd82d2713128d633d3323","isrc":"BX8C52200005","name":"Baile na Quadra","registered_at":"2026-06-12T00:41:40Z","spotify_id":"5IHPrdGpIXXifG8mQhCKj1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd46a6fd2ec2044ccb3d9aeac632d7e30359ae1bd6dbcd82d2713128d633d3323. 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/5IHPrdGpIXXifG8mQhCKj1.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/5IHPrdGpIXXifG8mQhCKj1.
{"copyright_id":"0x6ce948608d8f39bc65a8a5860b5ae9d550e319e31f32b1fa18ef835b31aaae19","isrc":"BR33B2200032","name":"Novinha da Lancha","registered_at":"2026-06-09T13:52:49Z","spotify_id":"4gYQNrqb5UpPqbHVBGb0L9","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ce948608d8f39bc65a8a5860b5ae9d550e319e31f32b1fa18ef835b31aaae19. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4gYQNrqb5UpPqbHVBGb0L9.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/4gYQNrqb5UpPqbHVBGb0L9.
{"copyright_id":"0x6ce948608d8f39bc65a8a5860b5ae9d550e319e31f32b1fa18ef835b31aaae19","isrc":"BR33B2200032","name":"Novinha da Lancha","registered_at":"2026-06-09T13:52:49Z","spotify_id":"234hlFlKjMokIVGIMakFAN","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ce948608d8f39bc65a8a5860b5ae9d550e319e31f32b1fa18ef835b31aaae19. 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/234hlFlKjMokIVGIMakFAN.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/234hlFlKjMokIVGIMakFAN.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85c3322b5fa1e15ec9cd9909cd1d295e559c1d40967381a3be146b142588e023. 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/6iTi5T2fKJuUIycmAZlLof.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/6iTi5T2fKJuUIycmAZlLof.
{"copyright_id":"0x3b4cfeb1a87d795603a176a2d6edbd63cac6efa7d5b9cb2988ba9cdec98cdbeb","isrc":"BX8C52100002","name":"Meu Lugar de Fala","registered_at":"2026-06-20T21:18:37Z","spotify_id":"0ckL8UjwoAYIOJ8hwQ8ASt","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b4cfeb1a87d795603a176a2d6edbd63cac6efa7d5b9cb2988ba9cdec98cdbeb. 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/0ckL8UjwoAYIOJ8hwQ8ASt.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/0ckL8UjwoAYIOJ8hwQ8ASt.
{"copyright_id":"0x251daca3bf986c376fcbc0297971a5b9f85d7f2d5e949cb719bbd9ce7cfed0c7","isrc":"BXSOH1600000","name":"Menina Pretinha","registered_at":"2026-06-26T12:49:42Z","spotify_id":"7v6Dx3z9w5gDVhTnsnLJ0W","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x251daca3bf986c376fcbc0297971a5b9f85d7f2d5e949cb719bbd9ce7cfed0c7. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7v6Dx3z9w5gDVhTnsnLJ0W.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/7v6Dx3z9w5gDVhTnsnLJ0W.
{"copyright_id":"0x0b444ab4a7ffe47d50f9a9caecbb87c7b0f23739375bdf3dc6b238cb07561d83","isrc":"BX8C52400005","name":"Fogo na Pista","registered_at":"2026-06-18T11:42:28Z","spotify_id":"5QS6ocSPZJSIO9e4SY8y4Z","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b444ab4a7ffe47d50f9a9caecbb87c7b0f23739375bdf3dc6b238cb07561d83. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5QS6ocSPZJSIO9e4SY8y4Z.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/5QS6ocSPZJSIO9e4SY8y4Z.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x642880afa090042bad5176a3ec945e3114c49e938105f7555fa40fdc4421dd68. 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/6afCEQI3uq5IWx8H1WbXPl.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/6afCEQI3uq5IWx8H1WbXPl.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x145b6fb9beb3e081af9073d8915e2cd5b3980964582620c47b800f90984b514d. 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/0dDMfffpwiwtDi41DTa9zT.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/0dDMfffpwiwtDi41DTa9zT.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b444ab4a7ffe47d50f9a9caecbb87c7b0f23739375bdf3dc6b238cb07561d83. 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/0h3a7Km9Ldz1B1NnET4Qb8.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/0h3a7Km9Ldz1B1NnET4Qb8.
{"copyright_id":"0xfcbb7e3da95b04492f1b6f13268aa75e2b8bd408d9023ce3f3789d3748adfa0e","isrc":"BCFNQ2300007","name":"Bandida Não, Solteira","registered_at":"2026-06-23T19:19:39Z","spotify_id":"28ejkyhOfL3SaBg7MrkIFJ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfcbb7e3da95b04492f1b6f13268aa75e2b8bd408d9023ce3f3789d3748adfa0e. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/28ejkyhOfL3SaBg7MrkIFJ.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/28ejkyhOfL3SaBg7MrkIFJ.