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 0x8cd827bd2bd97d9d6c0993cd2038717be1ff03d42b41e3b77b0face03b0d9560. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/77dde4c0-f741-48c4-9265-6c42abc94284.json and https://artists.proofprofile.net/proofs/artist/77dde4c0-f741-48c4-9265-6c42abc94284.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 0x71c68f85ec9833139afbde672e2b07b060d74f8e40dfb95dbd235663776ef5d5. 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/0hDEKg9kg4d46bXmtZzYJO.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/0hDEKg9kg4d46bXmtZzYJO.
{"copyright_id":"0xd679b446c73955290df451d659c3e728f60992b0edab25002c0c1a6fcfa7e459","isrc":"QM4TW2003079","name":"Que Va a Sentir Tu Marido","registered_at":"2026-06-18T03:19:19Z","spotify_id":"0EB26PPeulbaDmvaTv9qkm","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd679b446c73955290df451d659c3e728f60992b0edab25002c0c1a6fcfa7e459. 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/0EB26PPeulbaDmvaTv9qkm.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/0EB26PPeulbaDmvaTv9qkm.
{"copyright_id":"0xe363413b44e0426d9d9c555a5d6002849c548a7d58e0c6cca97e23bf9c54a281","isrc":"QM4TW2003080","name":"Ni Que Fueras la Mas Buena","registered_at":"2026-06-04T16:36:21Z","spotify_id":"69CiCaacgCf6S6GBMIgpm0","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe363413b44e0426d9d9c555a5d6002849c548a7d58e0c6cca97e23bf9c54a281. 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/69CiCaacgCf6S6GBMIgpm0.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/69CiCaacgCf6S6GBMIgpm0.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f33c9f63094f038dc6334d734453b4c79c051feeaa7e6a17d503ab55d288759. 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/2T5cEIbneagABwrWhpfzaG.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/2T5cEIbneagABwrWhpfzaG.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3adeed9897766c5e904533b07940678a067f89f344e91fd26c167ef91a5bc832. 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/2fMX7Lpcu3efEwxFpxKZzl.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/2fMX7Lpcu3efEwxFpxKZzl.
{"copyright_id":"0xb75bc9c0b3d2dc7ba8bca98d3139533dd1b1b4723f34bcd1c878a8c627110902","isrc":"QM4TW2003083","name":"Mandale una Carta a Tu Marido","registered_at":"2026-06-22T04:57:16Z","spotify_id":"1yeJHUikvYujqYHMKwCBUg","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb75bc9c0b3d2dc7ba8bca98d3139533dd1b1b4723f34bcd1c878a8c627110902. 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/1yeJHUikvYujqYHMKwCBUg.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/1yeJHUikvYujqYHMKwCBUg.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c81845224d1aeb169b03d4f6b3ec07567b71b8fda5c5606af0f1af5d864d344. 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/695bBkhOcZe7R2I28q5LgE.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/695bBkhOcZe7R2I28q5LgE.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3329b6385d32fe59d221741fd797fc73997a6f048e8fb436dcc473d75bed37f3. 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/62TtUiG3lRWraBxnTqCK3X.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/62TtUiG3lRWraBxnTqCK3X.
{"copyright_id":"0x29dbe0b66173d50e5fddb6725ab09bb21a16d4b439dadd68a5e66a5a00b16ac4","isrc":"QM4TW2003086","name":"Ando Alegre, Ando Contento","registered_at":"2026-06-25T07:43:20Z","spotify_id":"76zouQUCPzw6VYQWIqi2kt","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29dbe0b66173d50e5fddb6725ab09bb21a16d4b439dadd68a5e66a5a00b16ac4. 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/76zouQUCPzw6VYQWIqi2kt.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/76zouQUCPzw6VYQWIqi2kt.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a470ee67053d69f39019857da75f53323e215f8798409ae155c37582301f8a2. 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/5UPvCw2p8vTByjU0M0wJh1.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/5UPvCw2p8vTByjU0M0wJh1.
{"copyright_id":"0xd44a57c0b91a1a3c500483eabf005b289f7e7bdf727db718f6e1cb822c3dedcf","isrc":"QM4TW2003089","name":"La Tabla del Uno","registered_at":"2026-06-25T07:54:23Z","spotify_id":"6aP9ia1wJvJa6ncHuFL9at","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd44a57c0b91a1a3c500483eabf005b289f7e7bdf727db718f6e1cb822c3dedcf. 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/6aP9ia1wJvJa6ncHuFL9at.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/6aP9ia1wJvJa6ncHuFL9at.
{"copyright_id":"0x27158a0a447c0217c35d642fb6de549da09b3fa27adef7ac75a2bd0fb39952a5","isrc":"QM4TW2003091","name":"Tus Lindos Ojitos","registered_at":"2026-06-27T08:11:19Z","spotify_id":"6Oy7d5WK27lXGi2tYrgSTD","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27158a0a447c0217c35d642fb6de549da09b3fa27adef7ac75a2bd0fb39952a5. 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/6Oy7d5WK27lXGi2tYrgSTD.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/6Oy7d5WK27lXGi2tYrgSTD.
{"copyright_id":"0x3d16dd2f35450f737ecdf69b2180871bcc3c589f25ba6f0318c9fe5c390f8c7a","isrc":"QM4TW2003092","name":"La Novia de Todos","registered_at":"2026-06-08T13:06:24Z","spotify_id":"6KxOYjNZmgYrHr1vsXdp3C","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d16dd2f35450f737ecdf69b2180871bcc3c589f25ba6f0318c9fe5c390f8c7a. 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/6KxOYjNZmgYrHr1vsXdp3C.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/6KxOYjNZmgYrHr1vsXdp3C.
Megamix: La Mesa 20 / Ni Que Fueras la Mas Buena / Que Va a Sentir Tu Marido / Las Petacas
{"copyright_id":"0x13111b7145249f80b8400e2091c0569cc2d6fa9c0a2d203e17d67abe3866c338","isrc":"QM4TW2003094","name":"Megamix: La Mesa 20 / Ni Que Fueras la Mas Buena / Que Va a Sentir Tu Marido / Las Petacas","registered_at":"2026-06-23T10:04:10Z","spotify_id":"2GXbGBsKBA5KLSJoLrXsCh","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13111b7145249f80b8400e2091c0569cc2d6fa9c0a2d203e17d67abe3866c338. 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/2GXbGBsKBA5KLSJoLrXsCh.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/2GXbGBsKBA5KLSJoLrXsCh.
Megamix: Que Va a Sentir Tu Marido /Ni Que Fueras la Más Buena /La Mesa 20/Oficial Soltero/ando Alegre, Ando Contento/Mándale una Carta a Tu Marido /El Borracho/El Papá Jhon /Las Petacas
Mix del Recuerdo - Que de Raro Tiene/El Tío Borrachales /Tragos de Amargo Licor / El Mil Amores 1
MIX ROMANTICO: No te creas tan importante / Cuando tú me besas
MIX EL DUELO: LOS HIJOS DEL MOMTE /FLOR DE CAPOMO
MEGAMIX – FIESTA BAILABLE: Tres disparos /Mujeres y despecho/De haber sabido / Flor de capomo/ Los hijos del monte/La historia que tus cuentas /Treinta cartas