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 0x99a563fe8de321cba07b4764f8bc94b99ba03b20983810c8651dd83f36389671. 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/10190025-958e-432b-bd19-e5995965e28a.json and https://artists.proofprofile.net/proofs/artist/10190025-958e-432b-bd19-e5995965e28a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
The Gangsta, The Killa And The Dope Dealer
{"copyright_id":"0x6a4296c9fbba5f1b0013d7e81f9cc163e29015dc8f036539c37a79cd800596f1","isrc":"USPO10000903","name":"The Gangsta, The Killa And The Dope Dealer","registered_at":"2026-06-04T03:30:49Z","spotify_id":"3p1oRfbN2RrDdSyG8S7itI","type":"track"}
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 0x6a4296c9fbba5f1b0013d7e81f9cc163e29015dc8f036539c37a79cd800596f1. 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/3p1oRfbN2RrDdSyG8S7itI.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/3p1oRfbN2RrDdSyG8S7itI.
{"copyright_id":"0x6a4296c9fbba5f1b0013d7e81f9cc163e29015dc8f036539c37a79cd800596f1","isrc":"USPO10000903","name":"The Gangsta, The Killa And The Dope Dealer","registered_at":"2026-06-04T03:30:49Z","spotify_id":"6BT9YiT1N8oL9OQqiGd9YC","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a4296c9fbba5f1b0013d7e81f9cc163e29015dc8f036539c37a79cd800596f1. 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/6BT9YiT1N8oL9OQqiGd9YC.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/6BT9YiT1N8oL9OQqiGd9YC.
{"copyright_id":"0x3aca413981e80cd71122ac2acf2be2bf6a1be47795c82addf65da111294fd1eb","isrc":"USPO10000898","name":"Bow Down","registered_at":"2026-06-04T04:17:20Z","spotify_id":"6dcVRCBcmrPFn1NRHgmvXM","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3aca413981e80cd71122ac2acf2be2bf6a1be47795c82addf65da111294fd1eb. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6dcVRCBcmrPFn1NRHgmvXM.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/6dcVRCBcmrPFn1NRHgmvXM.
{"copyright_id":"0x6a4296c9fbba5f1b0013d7e81f9cc163e29015dc8f036539c37a79cd800596f1","isrc":"USPO10000903","name":"The Gangsta, The Killa And The Dope Dealer","registered_at":"2026-06-04T03:30:49Z","spotify_id":"3zbgxBc0EBgOSxt0GxidrV","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a4296c9fbba5f1b0013d7e81f9cc163e29015dc8f036539c37a79cd800596f1. 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/3zbgxBc0EBgOSxt0GxidrV.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/3zbgxBc0EBgOSxt0GxidrV.
{"copyright_id":"0xcbce0a64b65687215dc7d3e11bdde8106deadb23f76e158272b40ee30c105da6","isrc":"USPO10300058","name":"Gangsta Nation","registered_at":"2026-06-01T10:10:44Z","spotify_id":"6db6yg7qkySV1pAt3tiivQ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcbce0a64b65687215dc7d3e11bdde8106deadb23f76e158272b40ee30c105da6. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6db6yg7qkySV1pAt3tiivQ.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/6db6yg7qkySV1pAt3tiivQ.
{"copyright_id":"0x16f775d0c9a5f42cb8e4494f8064e0a86ad74d6eebb0d0c4f8a3907b3b0fd010","isrc":"USPO10300069","name":"A Threat To The World - Intro","registered_at":"2026-06-11T04:06:02Z","spotify_id":"2FP7d1SG5bdZHQXpFuEi58","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16f775d0c9a5f42cb8e4494f8064e0a86ad74d6eebb0d0c4f8a3907b3b0fd010. 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/2FP7d1SG5bdZHQXpFuEi58.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/2FP7d1SG5bdZHQXpFuEi58.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a4645800cfccd55a9f2a6bbd84b01c444b29b2fe2d4e0395f881cc7b81e4328. 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/5J5Bbx7lKQOQXeW1EAL9Mz.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/5J5Bbx7lKQOQXeW1EAL9Mz.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06bed1b86e990174312ef27118ed1773dd054876e8b733510eb695a058c1ee9a. 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/7aopCwdw4qfpROhF34RGlF.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/7aopCwdw4qfpROhF34RGlF.
{"copyright_id":"0xcbce0a64b65687215dc7d3e11bdde8106deadb23f76e158272b40ee30c105da6","isrc":"USPO10300058","name":"Gangsta Nation","registered_at":"2026-06-01T10:10:44Z","spotify_id":"65iyI1iybyv5ecsfBHSdUf","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcbce0a64b65687215dc7d3e11bdde8106deadb23f76e158272b40ee30c105da6. 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/65iyI1iybyv5ecsfBHSdUf.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/65iyI1iybyv5ecsfBHSdUf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3c50108301aa1d3d34c6d71282d66f9430a9a13369c26c38418f8ba13187ea5. 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/6DNyvIS3ys3vKd8iiUymcf.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/6DNyvIS3ys3vKd8iiUymcf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc88e3b616162cbf6ba0732db2517ee30773e836b2e57401416780570fdc58992. 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/3l2WuQlm2aiWR9LnQ8qK6a.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/3l2WuQlm2aiWR9LnQ8qK6a.
{"copyright_id":"0x122857a78334b2f959ac6c3e4a090601c3479aec648e07b8ec3a37b81044bbc4","isrc":"USPO10300073","name":"Don't Get Outta Pocket","registered_at":"2026-06-08T10:21:40Z","spotify_id":"5hxzdPN9EzRbvlkVzptVaa","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x122857a78334b2f959ac6c3e4a090601c3479aec648e07b8ec3a37b81044bbc4. 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/5hxzdPN9EzRbvlkVzptVaa.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/5hxzdPN9EzRbvlkVzptVaa.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x096b41445e51d78bbca528ea1e1f984234c6fd7205958b81a30d24841aef18a3. 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/6JArzREnwB1502RXjP3z5V.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/6JArzREnwB1502RXjP3z5V.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20aa4973d12e0608385bb45ee2dfdc58b7879566bb10414f99f0ddee5f4057c4. 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/4FeMl0W46BQcHhytb804l4.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/4FeMl0W46BQcHhytb804l4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42199b9df09dc40625698d6ac67154de3517904fa36f728fc8a25aaf5b370a4f. 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/1Qi256uJuMihknGuuFcQoC.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/1Qi256uJuMihknGuuFcQoC.
{"copyright_id":"0x4fd5f77b71a0344aefd35c0ff874841ca6830e40be284e079aff89ff273b7191","isrc":"USPO10300077","name":"Bangin' At The Party","registered_at":"2026-06-08T18:07:49Z","spotify_id":"1UoQBfWyHeUh4L3hOMEUzr","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4fd5f77b71a0344aefd35c0ff874841ca6830e40be284e079aff89ff273b7191. 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/1UoQBfWyHeUh4L3hOMEUzr.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/1UoQBfWyHeUh4L3hOMEUzr.
{"copyright_id":"0x96b9b702f3dce256b4f5c5ddd6be5dff0c508d502513dadd3b80288231d3b104","isrc":"USPO10300078","name":"You Gotta Have Heart","registered_at":"2026-06-08T01:33:22Z","spotify_id":"7nAyRHZZNISFKbP8oHdeFC","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96b9b702f3dce256b4f5c5ddd6be5dff0c508d502513dadd3b80288231d3b104. 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/7nAyRHZZNISFKbP8oHdeFC.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/7nAyRHZZNISFKbP8oHdeFC.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9267aeafa86e86e428cd263448612cba601902a019eb5621ec15ce70b1334af6. 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/2BaSlRAT2nI6M7lU5XJDZY.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/2BaSlRAT2nI6M7lU5XJDZY.
Superstar (Double Murder = Double Platinum)
{"copyright_id":"0xe3940254ac6814d0eaf1a684868c74e9e33e59ba277060f97a23193c3ec99beb","isrc":"USPO10300080","name":"Superstar (Double Murder = Double Platinum)","registered_at":"2026-06-09T15:21:18Z","spotify_id":"7f4vS0tlORJxeFDrsBL0jw","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3940254ac6814d0eaf1a684868c74e9e33e59ba277060f97a23193c3ec99beb. 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/7f4vS0tlORJxeFDrsBL0jw.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/7f4vS0tlORJxeFDrsBL0jw.