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 0x88c2d9672f516a2e0fba202e41d3ad8f00e23d993ec242069c60ebef9912aca5. 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/93a5afe4-d30d-4b38-b2ba-572b75bf7dff.json and https://artists.proofprofile.net/proofs/artist/93a5afe4-d30d-4b38-b2ba-572b75bf7dff.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 0x3c3efefe21aa0fa51299922883ff8d16bcabc8a28bd534d6714e68887f2f0f33. 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/3SZJx1riPZP2LslnVFyYCu.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/3SZJx1riPZP2LslnVFyYCu.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x406cd789c3e8d4497c771adab66dabb237e50f2b423b89ee04c73e6e384592ad. 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/5sDgp3xF9OG4eHhRhJSvnA.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/5sDgp3xF9OG4eHhRhJSvnA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2779c57d66bf697801614b9dbf7149896b6db3272d401bde25db9228b1eee2ad. 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/6FTNPfHDTqtm5aa81kN28P.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/6FTNPfHDTqtm5aa81kN28P.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6abd3b65ef05db05c2aec45428b08f63090e815a5e1a8924cd09781ed528339. 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/6WHF2bovA2AJdnkxUvVGX0.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/6WHF2bovA2AJdnkxUvVGX0.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0312bbc45d190a2842c5d7383e94e847f5344b490bb5e731e906468281c0efcb. 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/2siM23qX5moRmVkzcet5xn.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/2siM23qX5moRmVkzcet5xn.
{"copyright_id":"0x5fa023e0c427de5f7cafdceb2c0b8fdc415cbfbe9be125cd3591e8967146a93c","isrc":"AUK3B2400009","name":"STRONG CHILD","registered_at":"2026-06-25T13:28:24Z","spotify_id":"5snHx49QHl7G4wvkTf4JHN","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5fa023e0c427de5f7cafdceb2c0b8fdc415cbfbe9be125cd3591e8967146a93c. 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/5snHx49QHl7G4wvkTf4JHN.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/5snHx49QHl7G4wvkTf4JHN.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x174b3175d9b2295c108ca7f9b624670f85edbe6495f91589e32faa2f884f8478. 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/2QoSbqgBUCOLGUUL1LL9dc.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/2QoSbqgBUCOLGUUL1LL9dc.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb796d3d1c92a4eb3b3038f733b4a7996c2801234f2cb8be9583e4e75e45129bd. 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/4G1roSvqeNo5BpA4yYelow.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/4G1roSvqeNo5BpA4yYelow.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2392e02be2bb973dd71caa4c4a8052b7df1e5bed09165f43f1eccc0f57f96250. 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/3yf5uLftCuJrrR7kAajkmp.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/3yf5uLftCuJrrR7kAajkmp.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb86f8e81ce9c23c4c48c7a7f12ff93d9ae191a2e5f35825e9a1716399a8d2b93. 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/7DcUwuhw7AdyVteluEYvJa.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/7DcUwuhw7AdyVteluEYvJa.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b40fd150547570969c49e8f50ae04a58029ad281479c8bc1c8bf122fcbcffa7. 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/2iuyiWjso0JgfoiRpc59N1.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/2iuyiWjso0JgfoiRpc59N1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79b9e4e56dc688908280e40dc89945227104ee5f357d1ee75f9e90d7813e5a28. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/79PHrf8MCiFNdJ7wJUYKHb.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/79PHrf8MCiFNdJ7wJUYKHb.
{"copyright_id":"0x9e08cb6fffc950bcb706880754b68cf949605861817fd7a6f068bf1c74a83da6","isrc":"QZHCR2300028","name":"Mass Destruction","registered_at":"2026-06-09T10:43:59Z","spotify_id":"13wl2ihFoLjHX8KbDn4Lzm","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e08cb6fffc950bcb706880754b68cf949605861817fd7a6f068bf1c74a83da6. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/13wl2ihFoLjHX8KbDn4Lzm.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/13wl2ihFoLjHX8KbDn4Lzm.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e0dcd066672e13f8fe326b14324b075a9385b13c84cdc6673a6c6c0bdd5b870. 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/2BPRgLF2hiwyFs9t78gIuH.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/2BPRgLF2hiwyFs9t78gIuH.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79b9e4e56dc688908280e40dc89945227104ee5f357d1ee75f9e90d7813e5a28. 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/1BCngqDzjx6iINz5xVVNKE.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/1BCngqDzjx6iINz5xVVNKE.
{"copyright_id":"0xa3cb5bf68834e167b02b305810d361e21d973f82a8d4e1fca6246ffb865f6bfb","isrc":"CA5KR2374568","name":"Where Is Your God","registered_at":"2026-06-10T21:06:46Z","spotify_id":"278G4CaKoWZAJXDv9BhFFX","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3cb5bf68834e167b02b305810d361e21d973f82a8d4e1fca6246ffb865f6bfb. 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/278G4CaKoWZAJXDv9BhFFX.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/278G4CaKoWZAJXDv9BhFFX.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9c42b0daf1c911e6cd78e0a95171b702149e0a51b5664ba7394a9230f643c9e. 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/0zw1dF9Zdk9ZH4dHZkIwGt.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/0zw1dF9Zdk9ZH4dHZkIwGt.
{"copyright_id":"0x9e08cb6fffc950bcb706880754b68cf949605861817fd7a6f068bf1c74a83da6","isrc":"QZHCR2300028","name":"Mass Destruction","registered_at":"2026-06-09T10:43:59Z","spotify_id":"1RAFDlJk4pf9VfNbuLjxMA","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e08cb6fffc950bcb706880754b68cf949605861817fd7a6f068bf1c74a83da6. 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/1RAFDlJk4pf9VfNbuLjxMA.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/1RAFDlJk4pf9VfNbuLjxMA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a2c9ea8ee2ba0da4710b9f7b596b9277845e09132bdb5ba4890f8c38607225c. 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/5Lx9Quih19ThmU9UI9k3eI.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/5Lx9Quih19ThmU9UI9k3eI.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe21d5bd0274386d7b84474da21e6e073a0142a4464f05122aa81cb40ebad6dc8. 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/3QSXQ0FI53QqGfaxDK7F87.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/3QSXQ0FI53QqGfaxDK7F87.
{"copyright_id":"0x4f0f1f50c6c20a82199962cb5f8ff851a9c33f99e4ac78ad111bcd804633c61b","isrc":"CA5KR2302634","name":"Fkng Click","registered_at":"2026-06-22T08:42:21Z","spotify_id":"4HDAcwxOZ3pVNuBYJebbvS","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f0f1f50c6c20a82199962cb5f8ff851a9c33f99e4ac78ad111bcd804633c61b. 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/4HDAcwxOZ3pVNuBYJebbvS.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/4HDAcwxOZ3pVNuBYJebbvS.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0586ce9a50ec879112e1af71db19277359acb63cf107450041cbdb00915050bc. 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/1yrQkWKHZma1o0TtKy4AH8.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/1yrQkWKHZma1o0TtKy4AH8.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e08cb6fffc950bcb706880754b68cf949605861817fd7a6f068bf1c74a83da6. 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/6RdQfx0t3ibugpvLV3Kr21.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/6RdQfx0t3ibugpvLV3Kr21.
{"copyright_id":"0xd83554e42a5b389a093d53754e7155d2e7862b09259bc760d48ad2f11cd3dcb0","isrc":"GB2LD2410562","name":"One Click Headshot - Alienpark Remix","registered_at":"2026-06-23T12:59:33Z","spotify_id":"54ip04LMJ5p4idVAgVcQOD","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd83554e42a5b389a093d53754e7155d2e7862b09259bc760d48ad2f11cd3dcb0. 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/54ip04LMJ5p4idVAgVcQOD.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/54ip04LMJ5p4idVAgVcQOD.
Unidentified Flying Objects (AlienPark Remix)
Unidentified Flying Objects (The Remixes)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c3efefe21aa0fa51299922883ff8d16bcabc8a28bd534d6714e68887f2f0f33. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1oBfNnL9sZOPAcgLPlLDRv.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/1oBfNnL9sZOPAcgLPlLDRv.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2779c57d66bf697801614b9dbf7149896b6db3272d401bde25db9228b1eee2ad. 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/23oRb59J8jkySiNWkIpPHl.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/23oRb59J8jkySiNWkIpPHl.