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 0xb18a3d79e2b041c968e6bf953460fe9ec618aeafde4b1d534d092a82995707dc. 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/bc679b70-d751-486a-af45-cbb19bbf0628.json and https://artists.proofprofile.net/proofs/artist/bc679b70-d751-486a-af45-cbb19bbf0628.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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 0xb97bef281e01fde089cc00f1548490d7f76d01fdf248611a95ffd66902c3cf8e. 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/14NYDt6fbS4N6vS26qjqSp.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/14NYDt6fbS4N6vS26qjqSp.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x521213107785eaae5860ac40fea753a905becf18865137d34b9fe9b8b6956827. 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/4AFuoKa58l4GlC08uL0KuG.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/4AFuoKa58l4GlC08uL0KuG.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x522276072dfc4cffdac300e7f7a63e8fa96024bf986b0e7fb419cd66113df8eb. 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/1vgh1s6f4qtY9TDKK8EfyJ.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/1vgh1s6f4qtY9TDKK8EfyJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x595e893b7cc92e84b3d3d3a2f5e2326bc846cea727ec9d4b9b9bebe5080437c2. 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/2cOcNId9bPrHwIVuq5sJme.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/2cOcNId9bPrHwIVuq5sJme.
{"copyright_id":"0xe5512406eae9abda580dbfdd46cbca4f2504664641108cb3be3f2bb975c54f4f","isrc":"UYA522200009","name":"Si Me Llama","registered_at":"2026-06-25T19:52:24Z","spotify_id":"0P7k4vtVPZxMuWR7wYTHHw","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5512406eae9abda580dbfdd46cbca4f2504664641108cb3be3f2bb975c54f4f. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0P7k4vtVPZxMuWR7wYTHHw.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/0P7k4vtVPZxMuWR7wYTHHw.
Informativo ATR - Remix (feat. Anthony MM, Nahuel One23)
{"copyright_id":"0x935255f71fe44787501e58e968e5b1348e43409091561a49509ced2394a90f0e","isrc":"UYA522200016","name":"Informativo ATR - Remix (feat. Anthony MM, Nahuel One23)","registered_at":"2026-06-23T06:43:36Z","spotify_id":"1xla71BwGuFTwFhbElKTqG","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x935255f71fe44787501e58e968e5b1348e43409091561a49509ced2394a90f0e. 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/1xla71BwGuFTwFhbElKTqG.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/1xla71BwGuFTwFhbElKTqG.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03d36d9243cd7ff91bd67d94232b8f53d8c9610e2cd60271a39374ba1068951b. 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/5AhRMysWvzFZwNzyaJvy4X.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/5AhRMysWvzFZwNzyaJvy4X.
Funky De Antes (feat. Ecko, Marcianeke & DJ Tao) - Remix
Funky De Antes (feat. Ecko, Marcianeke & DJ Tao) [Remix]
{"copyright_id":"0x92566a05e0c71caee08a7cfc5ec6bb4ccc4eb268ddd6b9a10ded20f5354124a7","isrc":"UYL842200037","name":"Funky De Antes (feat. Ecko, Marcianeke & DJ Tao) - Remix","registered_at":"2026-06-05T05:47:37Z","spotify_id":"3JWCr7nvvE1uljDIZ9TCq8","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92566a05e0c71caee08a7cfc5ec6bb4ccc4eb268ddd6b9a10ded20f5354124a7. 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/3JWCr7nvvE1uljDIZ9TCq8.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/3JWCr7nvvE1uljDIZ9TCq8.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x592476f33a01cb6583d81d4f5e8019b822fbba6e5f70563f35e01f8915c84572. 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/6JshtNpBjlJEur6ygFLDHc.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/6JshtNpBjlJEur6ygFLDHc.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0714e610a837979d2f2392909971a3c12214f19af37865d91da71de5b7e3eab8. 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/4A2XDyVSBWnEfUXv2nQ8BP.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/4A2XDyVSBWnEfUXv2nQ8BP.
{"copyright_id":"0x209ef4b14cd820bbd401b7a5161cef6a43e36f7c0c569dca4a6b5849ce8d74eb","isrc":"UYL842400061","name":"La Noche","registered_at":"2026-06-23T00:14:12Z","spotify_id":"24wLVbWPvqpDRbWX2WuIMn","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x209ef4b14cd820bbd401b7a5161cef6a43e36f7c0c569dca4a6b5849ce8d74eb. 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/24wLVbWPvqpDRbWX2WuIMn.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/24wLVbWPvqpDRbWX2WuIMn.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c951a87088299cda10426b229155ccd8817bcd7d6567b51215aefea59854dd4. 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/5GZU8qO2Pmi35T6BsIQGnM.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/5GZU8qO2Pmi35T6BsIQGnM.
{"copyright_id":"0x74ce8707bd9dec9df5e5b5a66de95ce6be3a6d8710758eed4126eeb86ee49104","isrc":"UYB282368014","name":"Me Enchulé","registered_at":"2026-06-09T17:39:16Z","spotify_id":"1knZxWeEljQswZZ1hNpw6O","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74ce8707bd9dec9df5e5b5a66de95ce6be3a6d8710758eed4126eeb86ee49104. 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/1knZxWeEljQswZZ1hNpw6O.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/1knZxWeEljQswZZ1hNpw6O.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4985758bd0220d42816e7cbc3619765bd901c5fbfee0ee914d72729630eb6ba. 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/4i9qJOkTuAoYDjHaIYx5by.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/4i9qJOkTuAoYDjHaIYx5by.
{"copyright_id":"0x880b72ac8aa619b3020566ef77a541c5e53231de084d4163f8b551e0fdeceeb1","isrc":"ARG991042433","name":"Sentado En La Esquina - Remix","registered_at":"2026-06-05T04:59:49Z","spotify_id":"1Ovoc1xzST4tdVaAVVxyXA","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x880b72ac8aa619b3020566ef77a541c5e53231de084d4163f8b551e0fdeceeb1. 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/1Ovoc1xzST4tdVaAVVxyXA.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/1Ovoc1xzST4tdVaAVVxyXA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84268eddf7087510b589d3823b979f2a5cb50fa407f4ddc9326bc20c3a58ec16. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T20:40:55Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7vnGdSv369X0J5G7zY4h2v.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/7vnGdSv369X0J5G7zY4h2v.