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 0x167e8196928a86e5052059efd0c16e5444052ac297258335f01cda797bbe060c. 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/80ce2640-51d8-4953-8cbb-21b9b8379274.json and https://artists.proofprofile.net/proofs/artist/80ce2640-51d8-4953-8cbb-21b9b8379274.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 0x564731e725af9250238f83e584add0b126a8287d88e22261b8f02da2aa5474f4. 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/0HjnA6WlX8ws5sjdjOzBDm.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/0HjnA6WlX8ws5sjdjOzBDm.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x334f61b457bbd821039cd8f937ef248e62fed3337590725e8caba05982b74a71. 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/7dWJE7yOxFJ2UpRJ9avVkM.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/7dWJE7yOxFJ2UpRJ9avVkM.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2892411653180ee217cc3e5521dd1ee8d22809f3acf05244c8adaea8031cd96. 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/5gaQFPBQ9cwJ9kRHy9PO6V.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/5gaQFPBQ9cwJ9kRHy9PO6V.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2892411653180ee217cc3e5521dd1ee8d22809f3acf05244c8adaea8031cd96. 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/32Y18K1HEaa1SAfVNIJF56.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/32Y18K1HEaa1SAfVNIJF56.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89f64e414eed4b8dc46e2abc93969e8f625ff0d1c5de95d6a71f33753ff67391. 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/3RoWdk7od2prMXWzCgJbpg.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/3RoWdk7od2prMXWzCgJbpg.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x451c1c3f88927025618ef7c24234374e3e0d8bc6f5e1896e505cdc774f21517e. 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/56mz0ldoQ8APBYXHMAYSYZ.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/56mz0ldoQ8APBYXHMAYSYZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ce8e6fafb1162cb062f70084a75ea5e734392f5b692676e514d5f40af1924dc. 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/4k1SYrF5haDwNDctC9RWBC.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/4k1SYrF5haDwNDctC9RWBC.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6c1b413812ba989cbc56aa0041896f600a0dd93a3136c03959366a6cc3e7904. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4dKX0NuhcBDTy2ZW84l2p1.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/4dKX0NuhcBDTy2ZW84l2p1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6c1b413812ba989cbc56aa0041896f600a0dd93a3136c03959366a6cc3e7904. 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/0e5ATPaCgOkrI2Cgq01NZZ.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/0e5ATPaCgOkrI2Cgq01NZZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2227c5f14a313292424c3564caf4c4b1f08508b52bfa9a2d97d996ad06f68145. 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/27m5IukWOskz03LFJ7S5nI.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/27m5IukWOskz03LFJ7S5nI.
{"copyright_id":"0x6bdfc388e6ef334b55e7a942679eeefee8a6ed2a4d1c63fa8a8d2607fcbc86ba","isrc":"ES5702200670","name":"CORLEONE SHIT","registered_at":"2026-06-07T20:16:03Z","spotify_id":"1M8xw0qWUbSvqGCjQhRxLE","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6bdfc388e6ef334b55e7a942679eeefee8a6ed2a4d1c63fa8a8d2607fcbc86ba. 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/1M8xw0qWUbSvqGCjQhRxLE.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/1M8xw0qWUbSvqGCjQhRxLE.
{"copyright_id":"0xa9dce9b24dd907648358c37cf2b0f5ccdeb45a59d38e432c3d34d7d55619ffe9","isrc":"ES5702200673","name":"VA SONANDO MAS","registered_at":"2026-06-11T10:43:51Z","spotify_id":"5mNKnDNksx36wyAFrt8fEc","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9dce9b24dd907648358c37cf2b0f5ccdeb45a59d38e432c3d34d7d55619ffe9. 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/5mNKnDNksx36wyAFrt8fEc.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/5mNKnDNksx36wyAFrt8fEc.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb782d6291974834ea6f87f141ccc1c27f896c7c67be83f3761ae11140cf343aa. 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/6woGXhnUEws0GizDtSGBRJ.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/6woGXhnUEws0GizDtSGBRJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xded8572bf47cd6741097954216a3a76c418d2400ce86afa36ab0e65ee6409257. 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/7sQo8ketfs44rymzuSlJL8.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/7sQo8ketfs44rymzuSlJL8.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d7c29d1a7d9168611f8ae199a59ce9cfe46b579a7dcc7c6078893475c2fe913. 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/0U7ALsp3Hcqb5hhQsXYeVA.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/0U7ALsp3Hcqb5hhQsXYeVA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7734d2caf3f0fa5b77252161b1036155013439bb6513bd971bf0368b087bbf35. 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/66ZKLZZ4CGPMmYKm9EKumr.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/66ZKLZZ4CGPMmYKm9EKumr.
Como si nada (feat. Fito la R, JC Reyes, JayDime)
{"copyright_id":"0xfb53b5b4fa4978e8e0f7313a0c837fd9df51ab16c87ea818c349365b7246feeb","isrc":"ES5152401266","name":"Como si nada (feat. Fito la R, JC Reyes, JayDime)","registered_at":"2026-06-04T09:51:11Z","spotify_id":"4bUjDcalMHYNYBxLTl2JKV","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb53b5b4fa4978e8e0f7313a0c837fd9df51ab16c87ea818c349365b7246feeb. 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/4bUjDcalMHYNYBxLTl2JKV.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/4bUjDcalMHYNYBxLTl2JKV.
Blackberry Freestyle (feat. TRAPMALOY, Shynelevell, JayDime)
{"copyright_id":"0x12b2751992a275f7743bce4ca3a32bd8d56ec8b4418c8c2ad30b6174c582d79d","isrc":"ES5152401279","name":"Blackberry Freestyle (feat. TRAPMALOY, Shynelevell, JayDime)","registered_at":"2026-06-05T16:57:25Z","spotify_id":"74QQOMedrbmu9ielNqjTat","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12b2751992a275f7743bce4ca3a32bd8d56ec8b4418c8c2ad30b6174c582d79d. 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/74QQOMedrbmu9ielNqjTat.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/74QQOMedrbmu9ielNqjTat.
{"copyright_id":"0xfb53b5b4fa4978e8e0f7313a0c837fd9df51ab16c87ea818c349365b7246feeb","isrc":"ES5152401266","name":"Como si nada (feat. Fito la R, JC Reyes, JayDime)","registered_at":"2026-06-04T09:51:11Z","spotify_id":"3vO0AuJ2coIJAGALIcdwuw","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb53b5b4fa4978e8e0f7313a0c837fd9df51ab16c87ea818c349365b7246feeb. 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/3vO0AuJ2coIJAGALIcdwuw.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/3vO0AuJ2coIJAGALIcdwuw.