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 0xbb8efe44a301d770d12cd54b346a83f1938e2726d07e1806b0a670e520a14b75. 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/ba480566-79eb-44dd-9095-1d6ddcc90f45.json and https://artists.proofprofile.net/proofs/artist/ba480566-79eb-44dd-9095-1d6ddcc90f45.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x990b7ba2aafcb1d8ad8e8a0dfbbacd5e0b1b64e41a5b14a47c7ac025f9a8a782","isrc":"USZ4V1600180","name":"Carnival (feat. Bunji Garlin)","registered_at":"2026-06-29T04:26:39Z","spotify_id":"6I5XwFdMO9z7NaNF475Xpd","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 0x990b7ba2aafcb1d8ad8e8a0dfbbacd5e0b1b64e41a5b14a47c7ac025f9a8a782. 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/6I5XwFdMO9z7NaNF475Xpd.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/6I5XwFdMO9z7NaNF475Xpd.
Ice Cold - Sheclo Garcia & Teenwolf Remix
Ice Cold (Sheclo Garcia & Teenwolf Remix)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc17cbd8a19b6ed65ae5785b5a67554d7279849ff01156060497f9c243e421b4. 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/10MLHY81Gd0yWbmX6jGWk4.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/10MLHY81Gd0yWbmX6jGWk4.
{"copyright_id":"0x12afb7d17d4597c424c40ea6cf3c6b78baa9ce7973827b4ccfccb0c2427b31be","isrc":"USUS11900493","name":"Atomic Bomb","registered_at":"2026-06-18T00:25:06Z","spotify_id":"0gPqob5em7XGzhhTUFstoJ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12afb7d17d4597c424c40ea6cf3c6b78baa9ce7973827b4ccfccb0c2427b31be. 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/0gPqob5em7XGzhhTUFstoJ.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/0gPqob5em7XGzhhTUFstoJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x595b0ee4030e36afde22997ff24c3e44f54e89d09bf50edcf61bc7c2969059b1. 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/6qmBM8ZxXMBnuFPyTfiYQ3.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/6qmBM8ZxXMBnuFPyTfiYQ3.
Lucid (feat. Abraham Mateo & Austin Mahone)
Lucid (with Austin Mahone & Abraham Mateo)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd32fd2058f5d8073bd26ee63369ec8b5aef986753f36e46a60df92fd53afa5b8. 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/3QK8lYlV3PL4uP0F7xWxZo.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/3QK8lYlV3PL4uP0F7xWxZo.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ef3391998072afd8e966d411d4a1d0c53c65d80c668cb724aee843dc3f40583. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6rvO7tCYduq51alT7g4L82.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/6rvO7tCYduq51alT7g4L82.
{"copyright_id":"0xa84dc67bdef52f9d10f6a03cfb1eb86adfc09a181ec4f0654eae28c8c2b80693","isrc":"QMUY41900015","name":"Light It Up - 4B Remix","registered_at":"2026-06-21T22:57:07Z","spotify_id":"6d5XLYjaBC4Af8B4V02ke8","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa84dc67bdef52f9d10f6a03cfb1eb86adfc09a181ec4f0654eae28c8c2b80693. 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/6d5XLYjaBC4Af8B4V02ke8.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/6d5XLYjaBC4Af8B4V02ke8.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb2d477b57570854263a3987f6ba8cab5a939dfdc8924b315c7240894214b7b2. 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/302iynk49N24Fk9DPlaqbg.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/302iynk49N24Fk9DPlaqbg.
Billboard Presents Electric Asia, Vol. 5
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3526a39b9ea132546e31d8736c7238a9549fe94eeed17fcaf46407c415c54a8. 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/1TjB9uqgkqD2beFGplQSlA.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/1TjB9uqgkqD2beFGplQSlA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3526a39b9ea132546e31d8736c7238a9549fe94eeed17fcaf46407c415c54a8. 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/23Ut1JtMUkInqhJ22Dvwnk.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/23Ut1JtMUkInqhJ22Dvwnk.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8da5c1bd7502397e538e9eb5cdbc2271d0f080d8a88e842a6edfd51595a3a645. 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/7dmI8Tk8o0PEN4ZUoT2Cc7.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/7dmI8Tk8o0PEN4ZUoT2Cc7.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59749c67b48ca461ba6a1166dc0724d4d3190564f0e6e2454e39390b718c4514. 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/3EMOSV8YcnPYBGlEo6OL91.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/3EMOSV8YcnPYBGlEo6OL91.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x19390e43c68aed28f75bb0783ad06e589b6a2388b24db3495b2f6562efbfebc4. 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/1nFLfSVOoz6r8064SjZjyH.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/1nFLfSVOoz6r8064SjZjyH.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ef3391998072afd8e966d411d4a1d0c53c65d80c668cb724aee843dc3f40583. 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/0dC8vLS1yoYICkFxxRIBgP.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/0dC8vLS1yoYICkFxxRIBgP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x601e5f4e7dc2444c8abb657442b78c47e8b3f7be5850225d96e49d6782e32c2c. 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/4Vm2CuGPR24AHqrBOAkGdf.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/4Vm2CuGPR24AHqrBOAkGdf.