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 0xa1e999638ec93980293521a29b0d547d0828f52ff3938def9a136b7d35e1ab73. 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/31c56dce-146c-4548-ad5b-7fc109938b1c.json and https://artists.proofprofile.net/proofs/artist/31c56dce-146c-4548-ad5b-7fc109938b1c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Enganchados, noche de luna - con Chiquilina Bonita y La Mala Gata
{"copyright_id":"0x1f1231c700f2340ca2a93767c27197d92619d6edcb9c05f3c029903da30cc300","isrc":"CLCZ21902839","name":"El parrandero / La Malagata","registered_at":"2026-06-29T04:52:14Z","spotify_id":"50oiMPCN2rYalSioTHJSEH","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 0x1f1231c700f2340ca2a93767c27197d92619d6edcb9c05f3c029903da30cc300. 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/50oiMPCN2rYalSioTHJSEH.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/50oiMPCN2rYalSioTHJSEH.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e3595b7b4deb856b8158623831f8e3d7c33db48da4b184fbc8375db2391100e. Chain 2 (Bitcoin): anchored in block 956426 (2026-07-03T01:37:49Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1hMCKUb4cXmjjOSqJJpYFr.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/1hMCKUb4cXmjjOSqJJpYFr.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e3595b7b4deb856b8158623831f8e3d7c33db48da4b184fbc8375db2391100e. 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/0qQpyfF18XUNMtgkTpVC6A.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/0qQpyfF18XUNMtgkTpVC6A.
Antonio Ríos Y Sus Amigos (En Vivo Teatro Gran Rex)
Recordando a Natacha - En Vivo Teatro Gran Rex
Buscandote Entre los Rosales - En Vivo Teatro Gran Rex
Antonio Rios Y Sus Amigos - Teatro Gran Rex (En Vivo)
El Borracho - Antonio Rios Y Sus Amigos - Teatro Gran Rex (En Vivo)
El Borracho - Antonio Rios Y Sus Amigos - Teatro Gran Rex - En Vivo
Recuerdos de Bohemia (with Leopoldo Federico, Antonio Ríos & Rodolfo Mederos)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61853dad813a215486d07c6fd04044a278f8c396a6c25bccc552192b9f0160bc. 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/5uKXd2QvZ5xi4KXGxX9Luk.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/5uKXd2QvZ5xi4KXGxX9Luk.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f5d414902bbf5c04cb860c056f4cbc37f5691abcbfae99e8ef682ff04ddd76a. 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/6XdVWaI2DzwMjQs1tY5H8L.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/6XdVWaI2DzwMjQs1tY5H8L.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f5d414902bbf5c04cb860c056f4cbc37f5691abcbfae99e8ef682ff04ddd76a. 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/5gx39tUko6htjixWpIMqzM.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/5gx39tUko6htjixWpIMqzM.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f5d414902bbf5c04cb860c056f4cbc37f5691abcbfae99e8ef682ff04ddd76a. 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/6Nq0CoWYiL0MJgFEjEigZl.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/6Nq0CoWYiL0MJgFEjEigZl.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f5d414902bbf5c04cb860c056f4cbc37f5691abcbfae99e8ef682ff04ddd76a. 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/5c5K04LcXe2tf2kx0ro0G9.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/5c5K04LcXe2tf2kx0ro0G9.
{"copyright_id":"0xee9eee4d4ffb2f898d15e2d2531da15ab9e8b9bfcb1a944b311e31857d65a346","isrc":"USA371454573","name":"Yo Me Equivoqué","registered_at":"2026-06-07T13:33:34Z","spotify_id":"4rKEnLn6Jq1TyKjR8ibHyy","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee9eee4d4ffb2f898d15e2d2531da15ab9e8b9bfcb1a944b311e31857d65a346. 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/4rKEnLn6Jq1TyKjR8ibHyy.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/4rKEnLn6Jq1TyKjR8ibHyy.
Paisaje / Tarjetita de Invitacion / Juana la Cubana
La Movida Tropical: Los 100 Mejores Temas Vol. 4
Cumbia Argentina - Pasion Tropical Vol 8
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f5d414902bbf5c04cb860c056f4cbc37f5691abcbfae99e8ef682ff04ddd76a. 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/1IdEBxU8rCejSOlP5lz6Td.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/1IdEBxU8rCejSOlP5lz6Td.
{"copyright_id":"0xd60cae94b2688f8e4da1e0be1b5b1dee3fe9cb0eca18dad0315685be34dfeb3e","isrc":"ARD791700002","name":"Nunca Me Faltes (with Antonio Ríos)","registered_at":"2026-06-22T01:09:44Z","spotify_id":"2Uq3Ae4Z10qXOLKUwivkc0","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd60cae94b2688f8e4da1e0be1b5b1dee3fe9cb0eca18dad0315685be34dfeb3e. 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/2Uq3Ae4Z10qXOLKUwivkc0.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/2Uq3Ae4Z10qXOLKUwivkc0.
Superbailables de Siempre (Mixed by DJ Red)