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 0x214715d4e5895f2be2d12d92cab2af067eee79e7c1eb91a117358481fd88358c. 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/84287fe9-3765-4940-ae98-e7e31bc373b2.json and https://artists.proofprofile.net/proofs/artist/84287fe9-3765-4940-ae98-e7e31bc373b2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x86e2a2e9e821edf7efc46b82c3b7cde2b97071de6f95d2cb5f5b90794da69eae","isrc":"UKWLG2200093","name":"I'm Good (Blue) - Oliver Heldens Remix","registered_at":"2026-06-04T07:24:13Z","spotify_id":"12aCF5xMof5sLunrEy8SA7","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 0x86e2a2e9e821edf7efc46b82c3b7cde2b97071de6f95d2cb5f5b90794da69eae. 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/12aCF5xMof5sLunrEy8SA7.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/12aCF5xMof5sLunrEy8SA7.
I'm Good (Blue) - Oliver Heldens Extended Remix
{"copyright_id":"0xf2c5242aa14a11ec39a7f8659367ba9ce299c6a4d01a3340c3188e1495f16a26","isrc":"UKWLG2200094","name":"I'm Good (Blue) - Oliver Heldens Extended Remix","registered_at":"2026-06-09T23:38:40Z","spotify_id":"5E9sAXhxvI6lAECZcHaaRZ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2c5242aa14a11ec39a7f8659367ba9ce299c6a4d01a3340c3188e1495f16a26. 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/5E9sAXhxvI6lAECZcHaaRZ.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/5E9sAXhxvI6lAECZcHaaRZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x341654840f42a8e6e0b62ac4a3059479835b6979fdd8249057280ff00f6b567d. 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/483XiZ5o13Cc1zoWV7jGml.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/483XiZ5o13Cc1zoWV7jGml.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f60ce6bd26a9c4b0395c5a46e2208506216f5702c69431d20c154b7b947ed02. 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/5URyPutSQvq9tTbBYybv5n.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/5URyPutSQvq9tTbBYybv5n.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02bc55dc5049c6e853cdbe385183b51c9074fe085ac4f8146fbc6416fab72407. 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/7GYmqKYd4pmSQAUhRmFRCh.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/7GYmqKYd4pmSQAUhRmFRCh.
{"copyright_id":"0x16045b60553291b0d46f4d461c2ff41ca23e3a8d77e3fe570f17fa0a5b967300","isrc":"GBUM72205491","name":"Ferrari - Oliver Heldens Remix","registered_at":"2026-06-01T14:17:30Z","spotify_id":"0oCNRAmwLo4zHDpCKpjQtI","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16045b60553291b0d46f4d461c2ff41ca23e3a8d77e3fe570f17fa0a5b967300. 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/0oCNRAmwLo4zHDpCKpjQtI.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/0oCNRAmwLo4zHDpCKpjQtI.
{"copyright_id":"0x9b25dff282221229098c4fdf05592e61c5493be3d3d32c936adee1c5a205fbbb","isrc":"USRC12300726","name":"10 Out Of 10 (feat. Kylie Minogue)","registered_at":"2026-06-04T10:16:25Z","spotify_id":"11TSwkrxQ7HEOhM8nvzhpj","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b25dff282221229098c4fdf05592e61c5493be3d3d32c936adee1c5a205fbbb. 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/11TSwkrxQ7HEOhM8nvzhpj.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/11TSwkrxQ7HEOhM8nvzhpj.
{"copyright_id":"0x7857ae68d261e6f64f939dcff34cc296949635f72ca35b5136fd0f642cf2dff8","isrc":"US5TA2000007","name":"TING TING TING (with Oliver Heldens)","registered_at":"2026-06-04T16:25:19Z","spotify_id":"4RNqQdwEk03s14HLRXJ9aD","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7857ae68d261e6f64f939dcff34cc296949635f72ca35b5136fd0f642cf2dff8. 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/4RNqQdwEk03s14HLRXJ9aD.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/4RNqQdwEk03s14HLRXJ9aD.
I’m Good (Blue) [The Complete Collection]
{"copyright_id":"0x86e2a2e9e821edf7efc46b82c3b7cde2b97071de6f95d2cb5f5b90794da69eae","isrc":"UKWLG2200093","name":"I'm Good (Blue) - Oliver Heldens Remix","registered_at":"2026-06-04T07:24:13Z","spotify_id":"6zvZ5v6nCvZ7HYEa9HI0Dn","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86e2a2e9e821edf7efc46b82c3b7cde2b97071de6f95d2cb5f5b90794da69eae. 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/6zvZ5v6nCvZ7HYEa9HI0Dn.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/6zvZ5v6nCvZ7HYEa9HI0Dn.
{"copyright_id":"0x86e2a2e9e821edf7efc46b82c3b7cde2b97071de6f95d2cb5f5b90794da69eae","isrc":"UKWLG2200093","name":"I'm Good (Blue) - Oliver Heldens Remix","registered_at":"2026-06-04T07:24:13Z","spotify_id":"682iesQ7j9ui63vwI8mcTF","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86e2a2e9e821edf7efc46b82c3b7cde2b97071de6f95d2cb5f5b90794da69eae. 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/682iesQ7j9ui63vwI8mcTF.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/682iesQ7j9ui63vwI8mcTF.
Return Of The Mack (feat. Rochelle) - Oliver Heldens Radio Edit
Return Of The Mack (feat. Rochelle) [Oliver Heldens Radio Edit]
{"copyright_id":"0x65aea4665bc0ec1f972d2a6abb1a8537f522be010f5ccc61c49c4eb542934522","isrc":"NLZ541401130","name":"Return Of The Mack (feat. Rochelle) - Oliver Heldens Radio Edit","registered_at":"2026-06-06T09:59:53Z","spotify_id":"2u8VdnlLiekv9zXuBMyIQI","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65aea4665bc0ec1f972d2a6abb1a8537f522be010f5ccc61c49c4eb542934522. 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/2u8VdnlLiekv9zXuBMyIQI.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/2u8VdnlLiekv9zXuBMyIQI.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x341654840f42a8e6e0b62ac4a3059479835b6979fdd8249057280ff00f6b567d. 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/6KfWJmTIFMG9QNePcRogFL.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/6KfWJmTIFMG9QNePcRogFL.
{"copyright_id":"0xf2c5242aa14a11ec39a7f8659367ba9ce299c6a4d01a3340c3188e1495f16a26","isrc":"UKWLG2200094","name":"I'm Good (Blue) - Oliver Heldens Extended Remix","registered_at":"2026-06-09T23:38:40Z","spotify_id":"0aasYxfMEe2bkWdk3FzwOW","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2c5242aa14a11ec39a7f8659367ba9ce299c6a4d01a3340c3188e1495f16a26. 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/0aasYxfMEe2bkWdk3FzwOW.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/0aasYxfMEe2bkWdk3FzwOW.
{"copyright_id":"0xf2c5242aa14a11ec39a7f8659367ba9ce299c6a4d01a3340c3188e1495f16a26","isrc":"UKWLG2200094","name":"I'm Good (Blue) - Oliver Heldens Extended Remix","registered_at":"2026-06-09T23:38:40Z","spotify_id":"47t5arwLr8Ptoeg7LEnoZP","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2c5242aa14a11ec39a7f8659367ba9ce299c6a4d01a3340c3188e1495f16a26. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/47t5arwLr8Ptoeg7LEnoZP.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/47t5arwLr8Ptoeg7LEnoZP.
The Other Side (from Trolls World Tour) - Oliver Heldens Remix
The Other Side (from Trolls World Tour) [Oliver Heldens Remix]
{"copyright_id":"0xe3c6ae94420435b3ccb6ac3cf725c2faaf7a962826846827c5936f35cceeb278","isrc":"USRC12000940","name":"The Other Side (from Trolls World Tour) - Oliver Heldens Remix","registered_at":"2026-06-05T14:57:30Z","spotify_id":"0TAvqTEYJoXRnt12oNN4MG","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3c6ae94420435b3ccb6ac3cf725c2faaf7a962826846827c5936f35cceeb278. 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/0TAvqTEYJoXRnt12oNN4MG.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/0TAvqTEYJoXRnt12oNN4MG.
I Was Made For Lovin' You (feat. Nile Rodgers & House Gospel Choir) - DubDogz, Bhaskar Remix
I Was Made For Lovin' You (feat. Nile Rodgers & House Gospel Choir) [DubDogz, Bhaskar Remix]
{"copyright_id":"0xf88708efbc36ee2f77b01a8879b5f0a54080c44ad267814696578b1911af23e9","isrc":"USRC12203369","name":"I Was Made For Lovin' You (feat. Nile Rodgers & House Gospel Choir) - DubDogz, Bhaskar Remix","registered_at":"2026-06-05T04:33:53Z","spotify_id":"0Vvm9TLKfnpESsImUpbsZ4","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf88708efbc36ee2f77b01a8879b5f0a54080c44ad267814696578b1911af23e9. 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/0Vvm9TLKfnpESsImUpbsZ4.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/0Vvm9TLKfnpESsImUpbsZ4.