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 0x52013af0f30126e74021f163f64ecf6509a32e0ba0f2bf35ca9b4af6c251b5a7. 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/18a677ce-6a06-40b2-b364-4ecdbd6b6086.json and https://artists.proofprofile.net/proofs/artist/18a677ce-6a06-40b2-b364-4ecdbd6b6086.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 0x86666d4ecc87ed9f7d95fd4313d52ba705610399b48fb214900c75cefb3b60af. 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/1G5IYSoJSyCi8VUlbzbA3b.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/1G5IYSoJSyCi8VUlbzbA3b.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44438c5c8e54b38e3c32dc567b09fd2de35daaaad1857d4e9181e725f1af7385. 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/29HxKor8ZR7NTnEj5HjXNv.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/29HxKor8ZR7NTnEj5HjXNv.
Spottieottiedopaliscious / Elevators (Me and You) / B.O.B.
{"copyright_id":"0xc28823ef2dfd4f8f464f661fc52d8d706bf16da3bd3527d6a292d674a15f641a","isrc":"USL4Q1931220","name":"Spottieottiedopaliscious / Elevators (Me and You) / B.O.B.","registered_at":"2026-06-10T02:57:03Z","spotify_id":"3Qi5qKJf7YSiW3K2CFpdn8","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc28823ef2dfd4f8f464f661fc52d8d706bf16da3bd3527d6a292d674a15f641a. 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/3Qi5qKJf7YSiW3K2CFpdn8.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/3Qi5qKJf7YSiW3K2CFpdn8.
{"copyright_id":"0xc6bcabf9a711998223bb44079ce42286eb59d80a8f081aa72e84ed587f2324da","isrc":"USL4Q1931221","name":"Hey Ya / My Favorite Things","registered_at":"2026-06-20T19:17:05Z","spotify_id":"2chiyGvkijIIOARFR3nYrI","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6bcabf9a711998223bb44079ce42286eb59d80a8f081aa72e84ed587f2324da. 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/2chiyGvkijIIOARFR3nYrI.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/2chiyGvkijIIOARFR3nYrI.
{"copyright_id":"0x53b44860d839ab344760928a57cee6544b237c0401b96a08ede8acaeb8de045e","isrc":"USL4Q1931223","name":"I Am the Antichrist to You","registered_at":"2026-06-04T15:48:40Z","spotify_id":"18BQEbVwyTQ4Rl6AED0SyZ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53b44860d839ab344760928a57cee6544b237c0401b96a08ede8acaeb8de045e. 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/18BQEbVwyTQ4Rl6AED0SyZ.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/18BQEbVwyTQ4Rl6AED0SyZ.
Georgio by Moroder / Get Lucky / Contact
{"copyright_id":"0xb3c0b7352e73088eaff6bfd14fa96030c3ee60ad391ae33b2f3d5d444c56bdbf","isrc":"USL4Q1931224","name":"Georgio by Moroder / Get Lucky / Contact","registered_at":"2026-06-21T21:52:42Z","spotify_id":"3lXsTJyeUnVz58pI4T1Gg9","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3c0b7352e73088eaff6bfd14fa96030c3ee60ad391ae33b2f3d5d444c56bdbf. 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/3lXsTJyeUnVz58pI4T1Gg9.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/3lXsTJyeUnVz58pI4T1Gg9.
{"copyright_id":"0x18c545c86b93a98a3874e313c7b6f9b5cb1bfbc85d8fcb4d3305ff0fec06bff0","isrc":"USL4Q1904836","name":"Dejando Al Mundo","registered_at":"2026-06-18T14:33:38Z","spotify_id":"3HEYBPFYskR40lweDXvFJ5","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18c545c86b93a98a3874e313c7b6f9b5cb1bfbc85d8fcb4d3305ff0fec06bff0. 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/3HEYBPFYskR40lweDXvFJ5.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/3HEYBPFYskR40lweDXvFJ5.
Nu Deco Ensemble + Cimafunk: Live from Miami
Nu Deco Ensemble + Aaron Parks: Live from Miami
Still Cruisin' - An Orchestral Tribute to The Beach Boys
Humans vs Robots - An Orchestral Tribute to Daft Punk
Motherboard / Instant Crush / Superheroes
Giorgio by Moroder / Get Lucky / Contact
Everything In Its Right Place (Radiohead Reimagined)
Thriller: An Orchestral Tribute to Michael Jackson
Human Nature (Michael Jackson Reimagined)
Miseducation: An Orchestral Tribute to Lauryn Hill
Can't Take My Eyes Off of You - (I Love You Baby)
China Cat Sunflower/Scarlet Begonias/Touch of Grey
Help on the Way/Slipknot!/Franklin’s Tower
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf167f7a2a62e6b0fe7d3b1d76ef91ada8ef193d4f99717e11f931c0fc8c104b9. 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/50wyL8VqnCuWMfEW9k5P91.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/50wyL8VqnCuWMfEW9k5P91.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba1e48096de09d004d766fbce03a43e7f8d1aad3083e389d8b84fd5f114647b0. 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/3yJt9HfLIjrtR45GlovhvL.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/3yJt9HfLIjrtR45GlovhvL.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07d23cc85513faba47f2e6228c6a400e55d67ba08bca2fd598bfc43e7ad5ac8f. 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/0JltYEiy4lsTutnNtA790i.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/0JltYEiy4lsTutnNtA790i.
{"copyright_id":"0x94c1eee1dfba8858227d24a94634cb4389ecbd22f8cbd3974c91d6ce7226ff1c","isrc":"USA2P2136596","name":"who you are","registered_at":"2026-06-22T20:17:05Z","spotify_id":"23CjUCIMdnd0vaKHgtEFb1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94c1eee1dfba8858227d24a94634cb4389ecbd22f8cbd3974c91d6ce7226ff1c. 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/23CjUCIMdnd0vaKHgtEFb1.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/23CjUCIMdnd0vaKHgtEFb1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x305c021b1df8f89c3eedc764412e33f3195358e4874322786ab47559b64697f4. 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/0MoBwXNL55UyC3432mAb0A.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/0MoBwXNL55UyC3432mAb0A.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2465d30a5a9f0bff2c2930c78f88e65b265bd90d80c90c5c2b9a0d433f85983. 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/7AiPti889Zs0sf38Wud5e9.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/7AiPti889Zs0sf38Wud5e9.
{"copyright_id":"0x92ba49e8e55c8ac179b7442101d8180cbaa30a732836b2a9ad1eb361b9304b4c","isrc":"USA2P2136592","name":"all of your love","registered_at":"2026-06-25T08:34:10Z","spotify_id":"3JKzMmEgxpr4Au1SwBqlLh","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92ba49e8e55c8ac179b7442101d8180cbaa30a732836b2a9ad1eb361b9304b4c. 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/3JKzMmEgxpr4Au1SwBqlLh.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/3JKzMmEgxpr4Au1SwBqlLh.
{"copyright_id":"0xbb6e906cd12f0ba5a3241f4ff2e370fb51ed98158b632c0aad02acc23b4fd1ce","isrc":"USA2P2136594","name":"reprise two","registered_at":"2026-06-27T09:02:24Z","spotify_id":"1gW2oFNykkqD8ftMB1Z58D","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb6e906cd12f0ba5a3241f4ff2e370fb51ed98158b632c0aad02acc23b4fd1ce. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1gW2oFNykkqD8ftMB1Z58D.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/1gW2oFNykkqD8ftMB1Z58D.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d2e0033e15fd54e0e46c7a06f0f76c7b022bda373d644be23f17e9e326ced01. 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/1Wlsus8u48sXcgfLez6N7o.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/1Wlsus8u48sXcgfLez6N7o.
{"copyright_id":"0xbddab98c59734c4a7ab7fec0f7a2d4cb3cc2c8a6ac347fe774f1d0a84728eecf","isrc":"USJZA2346104","name":"Summer of ’42 - Orchestral Edition","registered_at":"2026-06-20T05:39:49Z","spotify_id":"0AJQmJ5MW2QGuFdANU0OLX","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbddab98c59734c4a7ab7fec0f7a2d4cb3cc2c8a6ac347fe774f1d0a84728eecf. 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/0AJQmJ5MW2QGuFdANU0OLX.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/0AJQmJ5MW2QGuFdANU0OLX.
{"copyright_id":"0xc88e97a7f847333d04ad5a35aaaafe133e384addb280315c6f5db314c0ccb8a0","isrc":"USJZA2346108","name":"Theme for Jerome - Orchestral Edition","registered_at":"2026-06-23T01:23:51Z","spotify_id":"2ryxxVKazV5gF9n523Sqd3","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc88e97a7f847333d04ad5a35aaaafe133e384addb280315c6f5db314c0ccb8a0. 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/2ryxxVKazV5gF9n523Sqd3.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/2ryxxVKazV5gF9n523Sqd3.