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 0xa0aeb9972dd63f8b0443dc0848197a492aafcb3ab2fab6e274963835768e0a54. 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/aace8784-bc1a-4dc7-aa72-5d2460b6eea2.json and https://artists.proofprofile.net/proofs/artist/aace8784-bc1a-4dc7-aa72-5d2460b6eea2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Sobre la Madera / Flor de Amor / Corazón de Madera
Cosecha De Amores, La Cumbia Del Cometa Y El Botecito
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 0x01f4bd197a79907415cba2feb066e9ee4aee9748cdaa013d3b62ba97139621c2. 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/4icQhdaaHuzjE54QKgg6ZF.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/4icQhdaaHuzjE54QKgg6ZF.
Popurrí de Huapangos: El Pistolero / El Son de la Rabia / La Macarena / El Son de la Negra
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea761b12beda9150fb8e2914ca9401f970d70a28491a556e08114816d60bd703. 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/5UlsaTGnXRLgnh5v5rClMj.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/5UlsaTGnXRLgnh5v5rClMj.
El Botecito / La Timba / La Esquina / La Danza del Coyote / El Chilito Piquín / Juan Colorado
{"copyright_id":"0x00212beea7bfdf49b43a2459d4ad1edbefdbdd1b95e9479e4153cf306d26a19f","isrc":"QZNJZ2318470","name":"Fuentes de Ortiz","registered_at":"2026-06-29T07:53:30Z","spotify_id":"5uVI3LFZHFPaM48pvLNYRM","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00212beea7bfdf49b43a2459d4ad1edbefdbdd1b95e9479e4153cf306d26a19f. 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/5uVI3LFZHFPaM48pvLNYRM.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/5uVI3LFZHFPaM48pvLNYRM.
El Botecito / La Timba / La Esquina / La Danza del Coyote / El Chilito Piquin / Juan Colorado
El Llanero Solitario / La Chancla Que Yo Tire / A la Antigüita
Tal Vez Sea Mejor / Y Como Quieres Que Te Quiera / El Mudo
{"copyright_id":"0x65aa438c56f68717afefc6bcc9452e9c1eb176bce86fe2f88a8022a2d24ff2eb","isrc":"USWL12302259","name":"No Te Das Cuenta","registered_at":"2026-06-09T18:21:57Z","spotify_id":"331Va0mpCSC9e4wiRpZZtZ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65aa438c56f68717afefc6bcc9452e9c1eb176bce86fe2f88a8022a2d24ff2eb. 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/331Va0mpCSC9e4wiRpZZtZ.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/331Va0mpCSC9e4wiRpZZtZ.
La Loba / El Pavido Navido / El Polvorete
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5511b73859d660f98bb7b8379aa326ba4d869b258380213a280956400ce85b7f. 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/6VZErVoBSbEXcSpxMAkoAy.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/6VZErVoBSbEXcSpxMAkoAy.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b9bf2444549a1b972460347a8b0b90a1206633cfeb5751c69b756d96ea6647d. 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/1hmZR9N5q1ThHtI701dK9t.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/1hmZR9N5q1ThHtI701dK9t.
{"copyright_id":"0x41ee227e31bbc27abb97dbcec2332016d50c0cc98a06b19deff69835d462eb8c","isrc":"QMDA62447164","name":"Cachito de Mi Corazón - En Vivo","registered_at":"2026-06-04T09:06:11Z","spotify_id":"2lzxtaAQs1MnsCO6SldqxK","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41ee227e31bbc27abb97dbcec2332016d50c0cc98a06b19deff69835d462eb8c. 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/2lzxtaAQs1MnsCO6SldqxK.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/2lzxtaAQs1MnsCO6SldqxK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x164d72137c23ec1ee9d28ea544cef43d19be845e27429250a3299badc20084ff. 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/0WOqRi9MRM3I1OU8pNAVg9.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/0WOqRi9MRM3I1OU8pNAVg9.
{"copyright_id":"0x9673e5e009f40e556a0cd97e6a41f1bb724147ab04acd4209527a1ea4b3517b0","isrc":"QMDA62447166","name":"No Sé Por Qué - En Vivo","registered_at":"2026-06-04T12:01:34Z","spotify_id":"34upSsQgLzn2UgHzNRxwTK","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9673e5e009f40e556a0cd97e6a41f1bb724147ab04acd4209527a1ea4b3517b0. 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/34upSsQgLzn2UgHzNRxwTK.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/34upSsQgLzn2UgHzNRxwTK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda8bdb02699611afb7f8e771e66820341aed9b971dd3384b81b2a67306f8b470. 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/34r5QZhfNEfPiTKnYN1x8Q.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/34r5QZhfNEfPiTKnYN1x8Q.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81004710750403439724ca209e527dada1b6f73ff6d2a9e50856294936133a04. 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/1pjaMBzCmfsAJCAHtw106f.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/1pjaMBzCmfsAJCAHtw106f.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32ac3d8b186850410110dec50d3b3ce0a2d18035af748dabd3660a6240556cb9. 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/1V7MdIoW9wse9McgedyK0o.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/1V7MdIoW9wse9McgedyK0o.
{"copyright_id":"0xceb2db6d0b18aa5acea56889dc44b0eafdd1376f29fd49eed91542d4a5c9cec6","isrc":"QMDA62447170","name":"A Puro Dolor - En Vivo","registered_at":"2026-06-04T12:45:01Z","spotify_id":"1vFaD1KvWS1FkKgTJtMqZW","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xceb2db6d0b18aa5acea56889dc44b0eafdd1376f29fd49eed91542d4a5c9cec6. 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/1vFaD1KvWS1FkKgTJtMqZW.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/1vFaD1KvWS1FkKgTJtMqZW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2511773a889c25467cca30cf86647ab71717237ba490e6778e84ed9f67d330a2. 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/1oNWnAu0CzUsB9GuBfKkWU.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/1oNWnAu0CzUsB9GuBfKkWU.
{"copyright_id":"0x3d240c2f1f7e23ce6eac77a0a1275546e062ec647e850a9ce7fba3a266eb72a8","isrc":"QMDA62447172","name":"Como Lo Mueven - En Vivo","registered_at":"2026-06-04T13:43:31Z","spotify_id":"1qMwwqr96fAwJaG1oteOU2","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d240c2f1f7e23ce6eac77a0a1275546e062ec647e850a9ce7fba3a266eb72a8. 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/1qMwwqr96fAwJaG1oteOU2.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/1qMwwqr96fAwJaG1oteOU2.
{"copyright_id":"0xf3d952f3bbeba864b2a672c62b09878c4e6d52273d247777bbdc18312e7a39b5","isrc":"QMDA62447173","name":"Jugando en La Arena - En Vivo","registered_at":"2026-06-04T14:16:22Z","spotify_id":"5z8A2snE9tC3WION9BaUWo","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3d952f3bbeba864b2a672c62b09878c4e6d52273d247777bbdc18312e7a39b5. 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/5z8A2snE9tC3WION9BaUWo.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/5z8A2snE9tC3WION9BaUWo.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00baf2e9795878e316258dd05c9b247e617bec1dcb838351303a8dad4e126294. 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/5kiRTlhM3qC4OdNeXSVieC.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/5kiRTlhM3qC4OdNeXSVieC.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a428b6c84c8004ff0ac2069680f049b2f27e46b46d47ce778370cc559e21243. 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/0z3p2XMBHY4rVpBnaAqkxo.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/0z3p2XMBHY4rVpBnaAqkxo.