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 0x4e43acb76ab365a98c11cea454c3511d2271efd1e26a9c23a04c04f4654c0ba8. 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/ceed3665-10a5-4993-ae40-d57e584ae85f.json and https://artists.proofprofile.net/proofs/artist/ceed3665-10a5-4993-ae40-d57e584ae85f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Dirty Dancing (feat. Joshua, DK & Dino of SEVENTEEN) - Dem Jointz Remix
{"copyright_id":"0x265e937214e2f2f244058abfeaf4ca9144df84c6e65f445901278a63af6b7788","isrc":"USUM72312171","name":"Dirty Dancing (feat. Joshua, DK & Dino of SEVENTEEN) - Dem Jointz Remix","registered_at":"2026-06-04T15:29:36Z","spotify_id":"6KfYVOicblNB8CaDZwbxiT","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 0x265e937214e2f2f244058abfeaf4ca9144df84c6e65f445901278a63af6b7788. 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/6KfYVOicblNB8CaDZwbxiT.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/6KfYVOicblNB8CaDZwbxiT.
{"copyright_id":"0x5ca308a524ec4fdf3f09b39fbf505d73b8967b3c6e63762820cb26a527cef4fd","isrc":"CAUM82400084","name":"Flip It - ÆON:MODE Remix","registered_at":"2026-06-06T04:57:33Z","spotify_id":"6zw7s3znqtUvU90Q5blgEj","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ca308a524ec4fdf3f09b39fbf505d73b8967b3c6e63762820cb26a527cef4fd. 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/6zw7s3znqtUvU90Q5blgEj.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/6zw7s3znqtUvU90Q5blgEj.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2419ff5c7056d88dd6b05e8de21d105e0bf623200adf8b49f662c95d823b5ef3. 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/0bBnrokPXtfwXQarqCu1Gz.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/0bBnrokPXtfwXQarqCu1Gz.
The Death of Slim Shady (Coup De Grâce): Expanded Mourner’s Edition
{"copyright_id":"0x2419ff5c7056d88dd6b05e8de21d105e0bf623200adf8b49f662c95d823b5ef3","isrc":"USUG12403411","name":"Road Rage","registered_at":"2026-06-02T15:51:20Z","spotify_id":"6yqJIXbshHkGbdDDiaTmTE","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2419ff5c7056d88dd6b05e8de21d105e0bf623200adf8b49f662c95d823b5ef3. 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/6yqJIXbshHkGbdDDiaTmTE.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/6yqJIXbshHkGbdDDiaTmTE.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8cf73b47abd5844d04e7c448be88307ef2ef6c2d217657a02c65823e5bd1e73c. 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/5a3vNuS67dTu8lrxLagvDt.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/5a3vNuS67dTu8lrxLagvDt.
{"copyright_id":"0x9e2c2afeb08fd0d835c78c42c4a451fdb4d6961e008492c09d3b4005b7aa0630","isrc":"CAUM82400023","name":"Flip It - Tape B Remix","registered_at":"2026-06-04T07:07:45Z","spotify_id":"57rICFVMiMku9HwTkervd7","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e2c2afeb08fd0d835c78c42c4a451fdb4d6961e008492c09d3b4005b7aa0630. 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/57rICFVMiMku9HwTkervd7.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/57rICFVMiMku9HwTkervd7.
{"copyright_id":"0x5ca308a524ec4fdf3f09b39fbf505d73b8967b3c6e63762820cb26a527cef4fd","isrc":"CAUM82400084","name":"Flip It - ÆON:MODE Remix","registered_at":"2026-06-06T04:57:33Z","spotify_id":"3fMgYxdGGQGovPzbWSh5hB","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ca308a524ec4fdf3f09b39fbf505d73b8967b3c6e63762820cb26a527cef4fd. 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/3fMgYxdGGQGovPzbWSh5hB.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/3fMgYxdGGQGovPzbWSh5hB.
{"copyright_id":"0x6cd83d070217e0fbc1f98f26fc9c202a5921f47ec55b6cb0254bd81a08507b8a","isrc":"CAUM82400095","name":"Flip It - Justin Jay x Don Jamal Remix","registered_at":"2026-06-11T11:30:04Z","spotify_id":"4CoXCx9yfaj35e0KuKzHsI","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6cd83d070217e0fbc1f98f26fc9c202a5921f47ec55b6cb0254bd81a08507b8a. 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/4CoXCx9yfaj35e0KuKzHsI.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/4CoXCx9yfaj35e0KuKzHsI.
{"copyright_id":"0x36b9dad2a7f2a64d51b5b47976b336a39cfacc2ec5d8753172f9d805cc641fdc","isrc":"CAUM82400092","name":"Flip It - Chef Boyarbeatz Remix","registered_at":"2026-06-27T04:51:56Z","spotify_id":"2b45KFQ8UbGJXRKgDXRfWI","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36b9dad2a7f2a64d51b5b47976b336a39cfacc2ec5d8753172f9d805cc641fdc. 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/2b45KFQ8UbGJXRKgDXRfWI.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/2b45KFQ8UbGJXRKgDXRfWI.
{"copyright_id":"0x131097327e393d8efcad9aaf24fdf1ced81be62654268c5c7e8675d13876cadf","isrc":"CAUM82400094","name":"Flip It - Torcha Remix","registered_at":"2026-06-22T02:33:55Z","spotify_id":"2Y6Qe0jLZFqtyYa4XzMKaX","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x131097327e393d8efcad9aaf24fdf1ced81be62654268c5c7e8675d13876cadf. 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/2Y6Qe0jLZFqtyYa4XzMKaX.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/2Y6Qe0jLZFqtyYa4XzMKaX.
{"copyright_id":"0xf0074f48933e845b954239b193d450fb5f01cf4e5845fdadd73e16ca467c7ead","isrc":"CAUM82400093","name":"Flip It - Chez x pheel. Remix","registered_at":"2026-06-10T04:29:36Z","spotify_id":"0KyRgJYUrHRBkcW97w94Mz","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0074f48933e845b954239b193d450fb5f01cf4e5845fdadd73e16ca467c7ead. 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/0KyRgJYUrHRBkcW97w94Mz.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/0KyRgJYUrHRBkcW97w94Mz.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ffca520f5297c308343a1fb0a03c5b3554009ad2582cfb113a2b422f124b41e. 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/0bttBNYNpxaBFMDGX7ZHxK.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/0bttBNYNpxaBFMDGX7ZHxK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ffca520f5297c308343a1fb0a03c5b3554009ad2582cfb113a2b422f124b41e. 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/4XZC1labZABgXtbAag1eWo.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/4XZC1labZABgXtbAag1eWo.
{"copyright_id":"0x9e2c2afeb08fd0d835c78c42c4a451fdb4d6961e008492c09d3b4005b7aa0630","isrc":"CAUM82400023","name":"Flip It - Tape B Remix","registered_at":"2026-06-04T07:07:45Z","spotify_id":"3xE0aFAEDbS3hjtBB5PKLT","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e2c2afeb08fd0d835c78c42c4a451fdb4d6961e008492c09d3b4005b7aa0630. 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/3xE0aFAEDbS3hjtBB5PKLT.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/3xE0aFAEDbS3hjtBB5PKLT.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ffca520f5297c308343a1fb0a03c5b3554009ad2582cfb113a2b422f124b41e. 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/4NDhaxAmbKXM8LKrOPNxsy.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/4NDhaxAmbKXM8LKrOPNxsy.