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 0xe8f08e113233c147d366e4818e2d771cac95419b16f7d8cc3d34bd8a1d7ed234. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8507d610-f23a-4cc9-b20e-cbfe654edd40.json and https://artists.proofprofile.net/proofs/artist/8507d610-f23a-4cc9-b20e-cbfe654edd40.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Los Hombres No Deben Llorar (Version Cristiana)
Canciones Cristianas, Vol. 1 (Instrumentales)
Los Hombres No Deben Llorar (Version Cristiana) (Instrumental)
Mi Corazon Lloro (Version Cristiana) (Instrumental)
La Cancion Del Triunfador (Instrumental)
Canciones Cristianas Vol.1 (Instrumentales)
Canciones Cristianas Vol.2 (Instrumentales)
Una Vacuna Para La Tristeza (Instrumental)
Canciones Cristianas, Vol. 2 (Instrumentales)
{"copyright_id":"0xd0e99ea2e98540cf493c513fac597ac2b5b5d6884204bcba51ad23c937dab71e","isrc":"USZBG1205756","name":"Los Hombres Deben Perdonar","registered_at":"2026-06-29T17:58:18Z","spotify_id":"7227EUxKiFtyz9RFNHiL0M","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 0xd0e99ea2e98540cf493c513fac597ac2b5b5d6884204bcba51ad23c937dab71e. 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/7227EUxKiFtyz9RFNHiL0M.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/7227EUxKiFtyz9RFNHiL0M.
Los Hombres No Deben Llorar (Feat. Los Grandes de Tijuana)
Los Hombres No Deben Llorar - Version Original
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa8f9e57c3d44ff992f06b7ef8857f7f52d300da0a586162aa0ca3156113925e. 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/4th4zW4mjIeiQ8HY7U92P4.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/4th4zW4mjIeiQ8HY7U92P4.
{"copyright_id":"0xe649b10aaca07f12734ed79811fbc55e32228e8e5d95127fa256b7f358a7fa9d","isrc":"USDHM1401253","name":"Los Hombres No Deben Llorar","registered_at":"2026-06-22T03:05:09Z","spotify_id":"19TJnn3ui3EpSC2MOd51Tn","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe649b10aaca07f12734ed79811fbc55e32228e8e5d95127fa256b7f358a7fa9d. 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/19TJnn3ui3EpSC2MOd51Tn.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/19TJnn3ui3EpSC2MOd51Tn.
{"copyright_id":"0x62e6ddb1c3b0a660447c673e5bf1a75f280688bcd4d343a1c025961798aeebc9","isrc":"USDHM1401265","name":"Mi Corazón Lloro","registered_at":"2026-06-24T14:48:25Z","spotify_id":"2TPOjrzRnS3eABPkDtaCy8","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62e6ddb1c3b0a660447c673e5bf1a75f280688bcd4d343a1c025961798aeebc9. 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/2TPOjrzRnS3eABPkDtaCy8.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/2TPOjrzRnS3eABPkDtaCy8.
Nunca Más Podré Olvidarte/ Matame Pero No Me Olvides (Por Culpa De Tu Amor)/ Nunca Los Hombres Deben Llorar - Medley
{"copyright_id":"0x2f77d4b9875d2f0d93c4242697ecb69733e7d972be2b58ebbb9597c80c327820","isrc":"MXA331610070","name":"Nunca Más Podré Olvidarte/ Matame Pero No Me Olvides (Por Culpa De Tu Amor)/ Nunca Los Hombres Deben Llorar - Medley","registered_at":"2026-06-09T15:47:09Z","spotify_id":"4OfocJ8gSgjEulSxXdjfQ6","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f77d4b9875d2f0d93c4242697ecb69733e7d972be2b58ebbb9597c80c327820. 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/4OfocJ8gSgjEulSxXdjfQ6.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/4OfocJ8gSgjEulSxXdjfQ6.
Banda Estrellas De Sinaloa De German Lizarraga
{"copyright_id":"0x8a749a48cd738862141ee08fca2de1590b0412fdaa33b4e75fab43994b4d6e9f","isrc":"USUTV2301654","name":"Los Hombres No Deben Llorar","registered_at":"2026-06-08T21:29:24Z","spotify_id":"34pEQEGX9Q6NiuxS7TSCvt","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a749a48cd738862141ee08fca2de1590b0412fdaa33b4e75fab43994b4d6e9f. 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/34pEQEGX9Q6NiuxS7TSCvt.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/34pEQEGX9Q6NiuxS7TSCvt.
{"copyright_id":"0x8a749a48cd738862141ee08fca2de1590b0412fdaa33b4e75fab43994b4d6e9f","isrc":"USUTV2301654","name":"Los Hombres No Deben Llorar","registered_at":"2026-06-08T21:29:24Z","spotify_id":"6uoXp5Jth6WRyG0aRydipI","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a749a48cd738862141ee08fca2de1590b0412fdaa33b4e75fab43994b4d6e9f. 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/6uoXp5Jth6WRyG0aRydipI.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/6uoXp5Jth6WRyG0aRydipI.