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 0x970ff409518546bbc8b641c7884fd1ee860c82f38615cc37b589ce7e28cb9218. 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/93a4301b-9932-4652-a7c6-ef41b152c21c.json and https://artists.proofprofile.net/proofs/artist/93a4301b-9932-4652-a7c6-ef41b152c21c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Mambo Para los Presos (feat. Bayron Fire)
Mambo Para Los Presos (feat. Byron Fire)
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 0xfc6b594e3480dabb9b9479fcc35d5595eb7b526ab0601b2541fe03b361206856. 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/5cBL5ohOGBSoNMUJvpiuUm.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/5cBL5ohOGBSoNMUJvpiuUm.
{"copyright_id":"0x0425148c433f7b13d2d9f5aed8ecb7ece5264c119ceb28c77275672d37af4e98","isrc":"USA2P2311106","name":"Un millón - intro","registered_at":"2026-06-04T06:05:35Z","spotify_id":"4hAKUDnnuqiQTuAskVaHwB","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0425148c433f7b13d2d9f5aed8ecb7ece5264c119ceb28c77275672d37af4e98. 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/4hAKUDnnuqiQTuAskVaHwB.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/4hAKUDnnuqiQTuAskVaHwB.
{"copyright_id":"0x3df840701d6e0e9153a2ccd858f57a3539466f2de14175dbf4468e8d25abb46a","isrc":"USA2P2311111","name":"Mambo para los presos REMIX","registered_at":"2026-06-07T13:37:17Z","spotify_id":"32S3QjNBmT2F8dHLJ0RNDQ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3df840701d6e0e9153a2ccd858f57a3539466f2de14175dbf4468e8d25abb46a. 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/32S3QjNBmT2F8dHLJ0RNDQ.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/32S3QjNBmT2F8dHLJ0RNDQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc50539cb3df4b91d2c14a2935b5bbcda611e3052bbd606003e0c9aa979dbaf45. 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/754PDlGGwhn1C7k7KNBJFu.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/754PDlGGwhn1C7k7KNBJFu.
{"copyright_id":"0x3799cdf9339ee8e6b2e6cc98d40ecb4b487e051c40c0fccb2f1f306d08c04dc0","isrc":"USA2P2311107","name":"Mi Brillo","registered_at":"2026-06-04T08:52:51Z","spotify_id":"7yFMVnZ6rRGiqCAK3Mtitv","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3799cdf9339ee8e6b2e6cc98d40ecb4b487e051c40c0fccb2f1f306d08c04dc0. 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/7yFMVnZ6rRGiqCAK3Mtitv.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/7yFMVnZ6rRGiqCAK3Mtitv.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x001b8b6150b94d6441af09ecaeed2f5826280ed148cc6c5110b8f7ee113582f2. 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/5MAdxRtrS6048bM7AxDgBx.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/5MAdxRtrS6048bM7AxDgBx.
{"copyright_id":"0x0f94c30dceb6f1b81218bdfc11e2a13604b2a6d83de0f7cf59d29ef38b57ccdb","isrc":"USA2P2311117","name":"Y Qué Pa’","registered_at":"2026-06-07T07:26:45Z","spotify_id":"0wJeJibHfeykIrX23R42gw","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f94c30dceb6f1b81218bdfc11e2a13604b2a6d83de0f7cf59d29ef38b57ccdb. 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/0wJeJibHfeykIrX23R42gw.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/0wJeJibHfeykIrX23R42gw.
{"copyright_id":"0xdced3e21d9502ba07da1c511c7bafb6895ddf12cf69f84c5fa2e0bcc5d650ade","isrc":"USA2P2311114","name":"Dinner & Poder","registered_at":"2026-06-07T13:39:44Z","spotify_id":"0NoYdNydheWSygp9ROJV46","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdced3e21d9502ba07da1c511c7bafb6895ddf12cf69f84c5fa2e0bcc5d650ade. 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/0NoYdNydheWSygp9ROJV46.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/0NoYdNydheWSygp9ROJV46.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x309bb68a2e07856df575f6e56553f4095672cb27feb49b2123b37354b553768c. 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/0281M9Quv4Q8q0nejVPZfO.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/0281M9Quv4Q8q0nejVPZfO.
{"copyright_id":"0xd5cb4fdb9c55c1cb0bc46ab5df4a51f9c36eb7dc6d6da6a9f21e0927854badc4","isrc":"USA2P2311109","name":"Con Láser","registered_at":"2026-06-08T20:16:46Z","spotify_id":"7iwrIZr6pwhiNFuezLjUzy","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5cb4fdb9c55c1cb0bc46ab5df4a51f9c36eb7dc6d6da6a9f21e0927854badc4. 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/7iwrIZr6pwhiNFuezLjUzy.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/7iwrIZr6pwhiNFuezLjUzy.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd9613d65307b757e41957dba5db9b42f4e1a7d5ec9a0329b1731c983336bac8. 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/1j53o6SLmD5QG76yCbZWIV.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/1j53o6SLmD5QG76yCbZWIV.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb02be7fb132ec0bf54f683c3676b1d610208cb5313db4374a249b4547197ab21. 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/7x2eUspGot42U5gSJT2U8X.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/7x2eUspGot42U5gSJT2U8X.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x645971a8034db123ba58d5a12b91c2f0b8d86443b02947df0e4633376ef527e5. 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/01JB2cqThiMaAll9JjzWMY.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/01JB2cqThiMaAll9JjzWMY.
{"copyright_id":"0x16e37a1ffffe63e1479eec3c1fa01729b380fa946f94901efb0eda7b1b3858d7","isrc":"USA2P2311118","name":"De Otro Planeta","registered_at":"2026-06-08T10:02:09Z","spotify_id":"6RK7k4Shb8n3AxHaZJ7xzE","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16e37a1ffffe63e1479eec3c1fa01729b380fa946f94901efb0eda7b1b3858d7. 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/6RK7k4Shb8n3AxHaZJ7xzE.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/6RK7k4Shb8n3AxHaZJ7xzE.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8063a05f19f636b21c081ed4f204569e1e3d4bd7a6b0e57e658d903b61061667. 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/39gPxL3HsISWEqsNtbDxC0.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/39gPxL3HsISWEqsNtbDxC0.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11065a6531244b16441f88f52270c78709d8fad7e62abffa62e7640dea5a1fe4. 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/4CAHBpzjYp9RqFiDbmveEL.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/4CAHBpzjYp9RqFiDbmveEL.
{"copyright_id":"0x3df840701d6e0e9153a2ccd858f57a3539466f2de14175dbf4468e8d25abb46a","isrc":"USA2P2311111","name":"Mambo para los presos (REMIX)","registered_at":"2026-06-07T13:37:17Z","spotify_id":"7mNHl7kHFDi2xutX0feZhb","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3df840701d6e0e9153a2ccd858f57a3539466f2de14175dbf4468e8d25abb46a. Chain 2 (Bitcoin): anchored in block 956711 (2026-07-04T22:48:52Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7mNHl7kHFDi2xutX0feZhb.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/7mNHl7kHFDi2xutX0feZhb.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f147061fe52dfd7587b6b541ab1b4607cf5bc8bfcb9d1dd57f7236280171f28. 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/3Kx4n1boWlqufhhTaV9L98.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/3Kx4n1boWlqufhhTaV9L98.
{"copyright_id":"0x9382ed9eb935948ef92fe6b056054efaa31e0119d6e163b0e37497ea9f0de6cf","isrc":"QZNJY2379576","name":"Bendiciones - Remix","registered_at":"2026-06-07T07:29:47Z","spotify_id":"2Buesqh3N73TySEC4GytKp","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9382ed9eb935948ef92fe6b056054efaa31e0119d6e163b0e37497ea9f0de6cf. 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/2Buesqh3N73TySEC4GytKp.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/2Buesqh3N73TySEC4GytKp.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2aa73a39aa0e88d36ecebcb81fe0ec4e2144a00fec86b257d4886f4df64207ae. 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/0JmPJFQ5UYkLhcmt84bWtm.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/0JmPJFQ5UYkLhcmt84bWtm.
{"copyright_id":"0x5af64e23fa1f00dca3bf3c64d48b3277d6dec42643524cf10bbc8bbdbff2f950","isrc":"ESA011783705","name":"Esencia - Mambo Remix","registered_at":"2026-06-04T16:36:43Z","spotify_id":"5TYL56AuXMgERUmlNTb26H","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5af64e23fa1f00dca3bf3c64d48b3277d6dec42643524cf10bbc8bbdbff2f950. 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/5TYL56AuXMgERUmlNTb26H.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/5TYL56AuXMgERUmlNTb26H.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d709423e9d23a5c03942350bf2f3f900816a5f0f5b2a7693548708930c5a55e. 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/35et0G7aJVzE52TzK50Jg7.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/35et0G7aJVzE52TzK50Jg7.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0cc71b021bd1577949b7bd1278de02dca1e1de4bd231162f581ece9d2541b94f. 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/10k8UXNat5NsIHl8cxRZGo.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/10k8UXNat5NsIHl8cxRZGo.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e4fb1959585b43b7654d53691ed2cae9de4308e54fe46cd1e3bb5494eb5288c. 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/4kUrMmvlA9Wfoh19fRebWA.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/4kUrMmvlA9Wfoh19fRebWA.