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 0x1ab527fa7e746fd7318bd83e4620be8a9b99b0f950c4497aae145a075516de6f. 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/e2f639e9-6269-46b6-b3bb-01bff003c3a2.json and https://artists.proofprofile.net/proofs/artist/e2f639e9-6269-46b6-b3bb-01bff003c3a2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0xdb888e265f7acc973862b0d63e735818132ea72797c227bb332fb1f7cdecafe8","isrc":"US3DF1955493","name":"La Mejor Versión de Mi","registered_at":"2026-06-25T06:49:31Z","spotify_id":"2o3EBaMFOBeDU6NBTM767B","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 0xdb888e265f7acc973862b0d63e735818132ea72797c227bb332fb1f7cdecafe8. 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/2o3EBaMFOBeDU6NBTM767B.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/2o3EBaMFOBeDU6NBTM767B.
{"copyright_id":"0x2e7a2bb6e39f29ad40d16b0e26466e3a6d0843d750ba32ed11f999df98a8f744","isrc":"US3DF1955494","name":"La Ventanita","registered_at":"2026-06-27T09:02:44Z","spotify_id":"6XXCKRBmvduhjRmE4XXDC2","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e7a2bb6e39f29ad40d16b0e26466e3a6d0843d750ba32ed11f999df98a8f744. 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/6XXCKRBmvduhjRmE4XXDC2.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/6XXCKRBmvduhjRmE4XXDC2.
{"copyright_id":"0x2eb913cf47d2f6998fe5234fd8c372e1fb77ec5fdd7b59bd7428d1af4282078c","isrc":"US3DF1955495","name":"Lo Dejaría Todo","registered_at":"2026-06-28T06:01:01Z","spotify_id":"0KHZa56VtydIzYUl5NB4uT","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2eb913cf47d2f6998fe5234fd8c372e1fb77ec5fdd7b59bd7428d1af4282078c. 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/0KHZa56VtydIzYUl5NB4uT.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/0KHZa56VtydIzYUl5NB4uT.
{"copyright_id":"0xfeea1f3c83e2423d9ca6e1ce38350bc195bff771c5c3b4c2168c9129ac2f1638","isrc":"US3DF1955498","name":"La Gloria de Dios","registered_at":"2026-06-12T01:31:25Z","spotify_id":"7vNuPGbNb5xntoYoLCxsK7","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfeea1f3c83e2423d9ca6e1ce38350bc195bff771c5c3b4c2168c9129ac2f1638. 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/7vNuPGbNb5xntoYoLCxsK7.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/7vNuPGbNb5xntoYoLCxsK7.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd45d86d8ad1cfa8d7f4ea6f058b8c260a4f92c38b2b46c27334b91aa49499992. 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/5lw6Mw0T8BLECyqX8wvJ7x.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/5lw6Mw0T8BLECyqX8wvJ7x.
Tengo Mujer / Tu Cariño Se Me Va / No la Pueden Parar
Enganchados: Columpea / El Toca Toca / Está Para Ganar
Llora la Niña / Te Quiero Tanto / Si Te Agarro Con Otro Te Mato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd417288ba84af73344d2dc6820cf2560092373cfa84aacae87de0fc81ce53044. 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/7JeBE29gGWSwtCkM4I87FM.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/7JeBE29gGWSwtCkM4I87FM.
{"copyright_id":"0xeb5f51a217c3ac6de48bbd192fa06c49aee6505f2ca7618f1f7c41b85e6c65e0","isrc":"ARG101106600","name":"El Que Tenga Miedo","registered_at":"2026-06-08T09:47:31Z","spotify_id":"5IfkmEK0q3OR84FVsqgWd2","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb5f51a217c3ac6de48bbd192fa06c49aee6505f2ca7618f1f7c41b85e6c65e0. 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/5IfkmEK0q3OR84FVsqgWd2.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/5IfkmEK0q3OR84FVsqgWd2.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58c9418fdaf4596140634f5f830a71c27fdf36e6a1942811ce0525d1b2d3795c. 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/4CHdBWdTFQuEh5GnXkmZye.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/4CHdBWdTFQuEh5GnXkmZye.
{"copyright_id":"0xe1eb19600dc1f84baa9e09c83f6990b0946ca8c0e6f9f88c943a5e01ad875d9c","isrc":"USA371447652","name":"Dile al Amor","registered_at":"2026-06-19T23:35:04Z","spotify_id":"7avR3ZYDTrLwn3bnmULiWP","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1eb19600dc1f84baa9e09c83f6990b0946ca8c0e6f9f88c943a5e01ad875d9c. 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/7avR3ZYDTrLwn3bnmULiWP.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/7avR3ZYDTrLwn3bnmULiWP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8085b6671b3c094859c44a2f60f9ac5db0c6722709e016a466fe9b2e417b6bc4. 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/5IfWaX88PbKkGopIVpBXqi.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/5IfWaX88PbKkGopIVpBXqi.
{"copyright_id":"0xf0fb4a84310efb9b3ccdfa20502d979662db0b565a9935cc31ad89de8d12347c","isrc":"USA371447655","name":"Así No Te Amarás Jamás","registered_at":"2026-06-24T04:57:51Z","spotify_id":"0lidOngAIShep3WQQcsBxM","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0fb4a84310efb9b3ccdfa20502d979662db0b565a9935cc31ad89de8d12347c. 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/0lidOngAIShep3WQQcsBxM.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/0lidOngAIShep3WQQcsBxM.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07ffee1d6d7775b2429b1ae1edd5ce8b23e0f2873ded5e56812280d4fd42f760. 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/2n3SzD8uCL5FngECu5haox.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/2n3SzD8uCL5FngECu5haox.
La Cuenta Regresiva / Vivir Así Es Morir de Amor
Auxilio, Tu Tenias Que Matarme, Como Te Exraño Mi Amor, Detenedla Ya, Solo Tres Palabras, Hoy Necesito Tenerla, Quedate
{"copyright_id":"0xc76a3a4b5771409b7c20fdb5146ca469446e67c360771dcfff58f9c6dabfc37d","isrc":"USA371158439","name":"Detenedla Ya","registered_at":"2026-06-09T10:25:23Z","spotify_id":"3G5fGxPuGDeZxNHxffzFSv","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc76a3a4b5771409b7c20fdb5146ca469446e67c360771dcfff58f9c6dabfc37d. 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/3G5fGxPuGDeZxNHxffzFSv.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/3G5fGxPuGDeZxNHxffzFSv.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc146b4d63a92855e0b88504d3f43d8cf2118a73df7db7073cc4733d493829288. 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/7DZICJwUaocERY7GtNCuEl.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/7DZICJwUaocERY7GtNCuEl.
Tu Tenias Que Matarme (A Duo Con Jean Carlos)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9d7e483d3c9d39ba928daa295213784833260caba8ba47de30b5658de88281d. 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/0HsuLJbzVdq52dj8z9cfY0.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/0HsuLJbzVdq52dj8z9cfY0.
{"copyright_id":"0xacedf62719778a2a9e8145e368ba9fdf4c02a2610bc9cd2adaa730ed7394c064","isrc":"USA371243509","name":"Eclipse Total del Amor","registered_at":"2026-06-05T11:08:34Z","spotify_id":"0CC2zjWTuTRIc030XXNFTJ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xacedf62719778a2a9e8145e368ba9fdf4c02a2610bc9cd2adaa730ed7394c064. 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/0CC2zjWTuTRIc030XXNFTJ.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/0CC2zjWTuTRIc030XXNFTJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1571af17f2e95c8c173b31eec144c6389137842203a58ddc91029322f44447fb. 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/2XvhGrD4QCdSIxpkH5nilJ.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/2XvhGrD4QCdSIxpkH5nilJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ac211cb56c2ae6d12c81fd9a301fe822d05477a30abe18082e1fe7b34e4f44a. 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/2b0yW4EjdiHS0xAHoWQ6nU.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/2b0yW4EjdiHS0xAHoWQ6nU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47cd261fa6ad3e56f3164f7084fa8b9dabdd397255a2a2665968f4698a030031. 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/5saQhVXVnHChyLiZK6sbUz.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/5saQhVXVnHChyLiZK6sbUz.
{"copyright_id":"0x757060eadd4e78d8b68cdde9e4f2a18b3a79da023f8a7fec19e170b0f80038a0","isrc":"USA371243516","name":"Preciosa Mía","registered_at":"2026-06-22T18:45:04Z","spotify_id":"4yOeBGiDNO0CswNgAHdVNl","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x757060eadd4e78d8b68cdde9e4f2a18b3a79da023f8a7fec19e170b0f80038a0. 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/4yOeBGiDNO0CswNgAHdVNl.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/4yOeBGiDNO0CswNgAHdVNl.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfff143e8b0671ab6215161198b2d7240c46037e7b0c476d96f856309ec528ab2. 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/4Tp3b9nTsvPZTDJMrfPoVF.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/4Tp3b9nTsvPZTDJMrfPoVF.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf5233b32dbd5cd79ef76855fce5843142cc23ce373347d137fbb874024006a0a. 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/7tJu0GsggCR8ILj0iS4QtP.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/7tJu0GsggCR8ILj0iS4QtP.
Eclipse Total del Amor / Si Me Dejas No Vale / Ven Tú (En Vivo)
Eclipse Total del Amor / Si Me Dejas No Vale / Ven Tú - En Vivo
{"copyright_id":"0xda44cc024b0c222685bb75f2ad950b5a219caa3eb6da3b4cf7f6147dad5500cf","isrc":"CA5KR2319030","name":"CHANGA CHANGA","registered_at":"2026-06-08T03:17:16Z","spotify_id":"1PXGxJyHj8mGqnoOOh3Qy6","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda44cc024b0c222685bb75f2ad950b5a219caa3eb6da3b4cf7f6147dad5500cf. 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/1PXGxJyHj8mGqnoOOh3Qy6.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/1PXGxJyHj8mGqnoOOh3Qy6.