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 0x59e16e757a0f1e6c042166f3081b86227ccbdb888be7d044a500637501609ace. 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/f60194c1-0cf1-4ace-99e4-741235b58244.json and https://artists.proofprofile.net/proofs/artist/f60194c1-0cf1-4ace-99e4-741235b58244.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 0x38c22c0c4d002b309f9a33ce96e3178d338216acf323f9476e340933746a3a17. 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/57s4xuebnqZ9Jdl0Dq8G2O.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/57s4xuebnqZ9Jdl0Dq8G2O.
{"copyright_id":"0xc024114d5cbf4ba0ebff9c9cf4ab93dffae589a0719e55c3356ccce48cf8a80e","isrc":"QM4TW2492068","name":"Around The World","registered_at":"2026-06-08T00:26:48Z","spotify_id":"6xBeOYsOOCv06FU1GeXjPX","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc024114d5cbf4ba0ebff9c9cf4ab93dffae589a0719e55c3356ccce48cf8a80e. 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/6xBeOYsOOCv06FU1GeXjPX.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/6xBeOYsOOCv06FU1GeXjPX.
{"copyright_id":"0x83ce5d19489aa22f9e48052a86bf68cb19a71fe22e02a31459a0f881665700db","isrc":"QM6N22442029","name":"Sugar (feat. Larry June & SHOW N PROVE)","registered_at":"2026-06-04T09:35:08Z","spotify_id":"3fvzedHSIzTSQjjjN8t9x4","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83ce5d19489aa22f9e48052a86bf68cb19a71fe22e02a31459a0f881665700db. 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/3fvzedHSIzTSQjjjN8t9x4.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/3fvzedHSIzTSQjjjN8t9x4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4b5a5b41445a1f4ea2e4f9e910f4375350358802557188e14e9d99fab6aa0e2. 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/3sQgkDDgQOsAscm5RSUaEH.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/3sQgkDDgQOsAscm5RSUaEH.
Around The World 2 (feat. Ryan Trey & SHOW N PROVE)
{"copyright_id":"0x2460210e9894ef2ef5c4c4fcb98971131051d8342cc0d1e5636ea1d01615cb4f","isrc":"QM6P42437514","name":"Around The World 2 (feat. Ryan Trey & SHOW N PROVE)","registered_at":"2026-06-09T18:46:24Z","spotify_id":"0FqJSEYNUMIQRn2r7uxnea","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2460210e9894ef2ef5c4c4fcb98971131051d8342cc0d1e5636ea1d01615cb4f. 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/0FqJSEYNUMIQRn2r7uxnea.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/0FqJSEYNUMIQRn2r7uxnea.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38c22c0c4d002b309f9a33ce96e3178d338216acf323f9476e340933746a3a17. 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/0QpxLXaC4s2822YjpcCTMM.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/0QpxLXaC4s2822YjpcCTMM.
{"copyright_id":"0x83ce5d19489aa22f9e48052a86bf68cb19a71fe22e02a31459a0f881665700db","isrc":"QM6N22442029","name":"Sugar (feat. Larry June & SHOW N PROVE)","registered_at":"2026-06-04T09:35:08Z","spotify_id":"0X6AAWEtz8SDZxClmxNhe3","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83ce5d19489aa22f9e48052a86bf68cb19a71fe22e02a31459a0f881665700db. 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/0X6AAWEtz8SDZxClmxNhe3.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/0X6AAWEtz8SDZxClmxNhe3.
{"copyright_id":"0xc024114d5cbf4ba0ebff9c9cf4ab93dffae589a0719e55c3356ccce48cf8a80e","isrc":"QM4TW2492068","name":"Around The World","registered_at":"2026-06-08T00:26:48Z","spotify_id":"6UuztYLGwhpTsH0ploTJgm","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc024114d5cbf4ba0ebff9c9cf4ab93dffae589a0719e55c3356ccce48cf8a80e. 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/6UuztYLGwhpTsH0ploTJgm.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/6UuztYLGwhpTsH0ploTJgm.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9efd477e254bee45ef893c7945200de371bd149892961cf4ea91eb5698bd638a. 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/2n7RgVuhj9oT6iaAZN0Oa2.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/2n7RgVuhj9oT6iaAZN0Oa2.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7480d1619b17cdd29be3a16de4f2a750c50ba5ad86cb898b090e7996c620f4d5. 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/63dHAaPXAVXnRS9f1wzKbj.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/63dHAaPXAVXnRS9f1wzKbj.
{"copyright_id":"0x66d3ed16e3e3351f02628f7d63df56eb1e8de80e23c552ea68201b3798e67fd1","isrc":"QM6N22335594","name":"Maddest Hoes","registered_at":"2026-06-18T10:07:42Z","spotify_id":"2JOAClTouRjLpemnmAutOV","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66d3ed16e3e3351f02628f7d63df56eb1e8de80e23c552ea68201b3798e67fd1. 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/2JOAClTouRjLpemnmAutOV.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/2JOAClTouRjLpemnmAutOV.
{"copyright_id":"0xbed03fe61083c8dc5be6fe05b7876d48772f3aecc63bd14300ff81a7f38339df","isrc":"QMFME2209066","name":"Not a Statistic","registered_at":"2026-06-20T17:31:25Z","spotify_id":"3idlpmgLrRZcm5S30US2Eh","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbed03fe61083c8dc5be6fe05b7876d48772f3aecc63bd14300ff81a7f38339df. 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/3idlpmgLrRZcm5S30US2Eh.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/3idlpmgLrRZcm5S30US2Eh.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6311f3bd4638d3d0c796721d5301553b9231deedf280be8d4e84da8f4e11ed84. 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/7F5Cox2D6MkXFsNltST8Oy.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/7F5Cox2D6MkXFsNltST8Oy.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68e3563697377c596481ae16fbb16b22c2c7f0fa08f7494723431b5c4c37943c. 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/4V4hP1FCrFDuDOx7s5KKtY.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/4V4hP1FCrFDuDOx7s5KKtY.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45db1d659bc8d08753c27ce5e3a4a4cc9650b1c78fcd7682bf730ca2cb6b0855. 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/7M5SeGTgjpgUVa1adDMVD3.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/7M5SeGTgjpgUVa1adDMVD3.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6311f3bd4638d3d0c796721d5301553b9231deedf280be8d4e84da8f4e11ed84. 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/2UVqSu3dddJBmQJhSw1KTT.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/2UVqSu3dddJBmQJhSw1KTT.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ed888b387c106129158470718f2ddc65e685b57a96c479dab4983d70be4825e. 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/2YEY1xOM6tcoHeTD7gU67j.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/2YEY1xOM6tcoHeTD7gU67j.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf31ee2769bdb777e52652706f797aac30f57f37e6237961a5b85da0052548374. 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/4pC4VZhpkNEaOLnao373my.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/4pC4VZhpkNEaOLnao373my.
{"copyright_id":"0x0cac19306e264a57d31aa7eea863431ce71e6c7cf8c53a927b0a654dc6b1c81b","isrc":"QZK6G2117848","name":"Ride Or Die","registered_at":"2026-06-19T20:56:44Z","spotify_id":"7xUiGo78wevHsDuMqKfJ0Q","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0cac19306e264a57d31aa7eea863431ce71e6c7cf8c53a927b0a654dc6b1c81b. 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/7xUiGo78wevHsDuMqKfJ0Q.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/7xUiGo78wevHsDuMqKfJ0Q.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d61ee7e0857a055a4ec715df217936e8cb5cb07efb226e34c39105f36629d85. 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/2kDOyhym4daRvOzqv6paQI.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/2kDOyhym4daRvOzqv6paQI.
{"copyright_id":"0xd765ad1d3eb8e01c72b233e42ae4d6bb6c75f5c96ed775b51c0896de1f2d5514","isrc":"QZNWU2195242","name":"Back To You","registered_at":"2026-06-26T12:23:17Z","spotify_id":"5F9LqGRO1bMiQ9A4OYGLTj","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd765ad1d3eb8e01c72b233e42ae4d6bb6c75f5c96ed775b51c0896de1f2d5514. 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/5F9LqGRO1bMiQ9A4OYGLTj.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/5F9LqGRO1bMiQ9A4OYGLTj.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0481084541919e9b6aad05f2ffffc999773ab97fbf38e59f641fc728e3b6c3f1. 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/5eJ0DxManx0jWsbRrQH4Yb.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/5eJ0DxManx0jWsbRrQH4Yb.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d61ee7e0857a055a4ec715df217936e8cb5cb07efb226e34c39105f36629d85. 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/5iaUjzkX8fhjn6JX33Lc6L.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/5iaUjzkX8fhjn6JX33Lc6L.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf31ee2769bdb777e52652706f797aac30f57f37e6237961a5b85da0052548374. 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/5DbFKobfE0jBFq3J2KIcnY.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/5DbFKobfE0jBFq3J2KIcnY.
{"copyright_id":"0x0cac19306e264a57d31aa7eea863431ce71e6c7cf8c53a927b0a654dc6b1c81b","isrc":"QZK6G2117848","name":"Ride Or Die","registered_at":"2026-06-19T20:56:44Z","spotify_id":"6H4bXB7kabHkdRCGFx4Orv","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0cac19306e264a57d31aa7eea863431ce71e6c7cf8c53a927b0a654dc6b1c81b. 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/6H4bXB7kabHkdRCGFx4Orv.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/6H4bXB7kabHkdRCGFx4Orv.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5d58a37a76de3dc0062ea0fd4a46634c930d9430b872f3ed2a656265508ad82. 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/7oXf5fq1zunD878fUYO9go.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/7oXf5fq1zunD878fUYO9go.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8982bf14fa459174ca5f10f4ee4ecc7685a0ac36f7924e5639964abdaa8053d9. 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/73oUBMOiuq9jYULjqtxi4s.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/73oUBMOiuq9jYULjqtxi4s.