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 0x0641d32c02828441ec77f38ee625fe645207637a7fb58cc9a16bc9c8ae5b851b. 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/669a5807-21ec-479a-b5b5-0a6affa27b8a.json and https://artists.proofprofile.net/proofs/artist/669a5807-21ec-479a-b5b5-0a6affa27b8a.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 0x424fa34446ee9ec0488cdc9e47e8bc6153534f619f3e93bc6a5eb1015c3a8950. 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/7l28SBHS3zmKDVnOzG8BM7.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/7l28SBHS3zmKDVnOzG8BM7.
{"copyright_id":"0x4c4ee2bed2c557e3f3cd08f6ba645cddbefd4a1ad1bdf0aaddb87c38d8bdb5cc","isrc":"USSM11903736","name":"MAYDAY (feat. Sheck Wes & Young Thug)","registered_at":"2026-06-05T12:52:26Z","spotify_id":"7J2DtwsxdoyrhgNV3Vzmos","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c4ee2bed2c557e3f3cd08f6ba645cddbefd4a1ad1bdf0aaddb87c38d8bdb5cc. 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/7J2DtwsxdoyrhgNV3Vzmos.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/7J2DtwsxdoyrhgNV3Vzmos.
{"copyright_id":"0x97893080a1ae1960ed60e36a7090d6e80ae96148fc5536a05bfd515f8679c809","isrc":"QZVFR2300678","name":"Street Sweeper (feat. Swae Lee)","registered_at":"2026-06-05T21:48:26Z","spotify_id":"2NqpZD00BADhsvldFVdO0j","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97893080a1ae1960ed60e36a7090d6e80ae96148fc5536a05bfd515f8679c809. 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/2NqpZD00BADhsvldFVdO0j.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/2NqpZD00BADhsvldFVdO0j.
Ring Ring (feat. Travis Scott, Don Toliver, Quavo & Ty Dolla $ign) [Chopped Not Slopped]
Ring Ring (feat. Travis Scott, Don Toliver, Quavo & Ty Dolla $ign)
{"copyright_id":"0xb228cd1c2d13b707b712033abd63a4b790b63906c1a8f330122038af387ffed2","isrc":"QZVFR2301228","name":"Ring Ring (feat. Travis Scott, Don Toliver, Quavo & Ty Dolla $ign)","registered_at":"2026-06-04T07:46:59Z","spotify_id":"3pvEUdbfsd1Sn7nK4pjAnI","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb228cd1c2d13b707b712033abd63a4b790b63906c1a8f330122038af387ffed2. 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/3pvEUdbfsd1Sn7nK4pjAnI.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/3pvEUdbfsd1Sn7nK4pjAnI.
Ring Ring (feat. Travis Scott, Don Toliver, Quavo & Ty Dolla $ign) - Extended Version
{"copyright_id":"0x14dc2b9073af33cf435987160d007e1aa2fb89a69cc7008d9d165dd4c978eaa6","isrc":"QZVFR2301482","name":"Ring Ring (feat. Travis Scott, Don Toliver, Quavo & Ty Dolla $ign) - Extended Version","registered_at":"2026-06-05T08:55:29Z","spotify_id":"3CprXT9Q2Za7fNHFQqlOC3","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14dc2b9073af33cf435987160d007e1aa2fb89a69cc7008d9d165dd4c978eaa6. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3CprXT9Q2Za7fNHFQqlOC3.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/3CprXT9Q2Za7fNHFQqlOC3.
Ring Ring (feat. Travis Scott, Don Toliver, Quavo & Ty Dolla $ign) - Chopped Not Slopped
{"copyright_id":"0x8949ae876e72a055f9e135c8c1a3e314e3da04d396f807ab7dcaefee5bc1d4ba","isrc":"QZVFR2301510","name":"Ring Ring (feat. Travis Scott, Don Toliver, Quavo & Ty Dolla $ign) - Chopped Not Slopped","registered_at":"2026-06-18T00:39:50Z","spotify_id":"3oekjM4CjvgmCY1binYRBl","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8949ae876e72a055f9e135c8c1a3e314e3da04d396f807ab7dcaefee5bc1d4ba. 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/3oekjM4CjvgmCY1binYRBl.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/3oekjM4CjvgmCY1binYRBl.
Ring Ring (feat. Travis Scott, Don Toliver, Quavo & Ty Dolla $ign) [Extended Version]
{"copyright_id":"0xb228cd1c2d13b707b712033abd63a4b790b63906c1a8f330122038af387ffed2","isrc":"QZVFR2301228","name":"Ring Ring (feat. Travis Scott, Don Toliver, Quavo & Ty Dolla $ign)","registered_at":"2026-06-04T07:46:59Z","spotify_id":"6r1YLTu8gAEe6636QbhFCG","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb228cd1c2d13b707b712033abd63a4b790b63906c1a8f330122038af387ffed2. 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/6r1YLTu8gAEe6636QbhFCG.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/6r1YLTu8gAEe6636QbhFCG.
{"copyright_id":"0x14dc2b9073af33cf435987160d007e1aa2fb89a69cc7008d9d165dd4c978eaa6","isrc":"QZVFR2301482","name":"Ring Ring (feat. Travis Scott, Don Toliver, Quavo & Ty Dolla $ign) - Extended Version","registered_at":"2026-06-05T08:55:29Z","spotify_id":"0O85RmVuOTvfj0oHIVrZlv","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14dc2b9073af33cf435987160d007e1aa2fb89a69cc7008d9d165dd4c978eaa6. 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/0O85RmVuOTvfj0oHIVrZlv.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/0O85RmVuOTvfj0oHIVrZlv.
{"copyright_id":"0xb228cd1c2d13b707b712033abd63a4b790b63906c1a8f330122038af387ffed2","isrc":"QZVFR2301228","name":"Ring Ring (feat. Travis Scott, Don Toliver, Quavo & Ty Dolla $ign)","registered_at":"2026-06-04T07:46:59Z","spotify_id":"7pFzbZz89oXVsRxhUvO7q2","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb228cd1c2d13b707b712033abd63a4b790b63906c1a8f330122038af387ffed2. 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/7pFzbZz89oXVsRxhUvO7q2.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/7pFzbZz89oXVsRxhUvO7q2.
{"copyright_id":"0x8d36459eca6e9b30c0e4d5bbb293f0e099006fcf710d643df9500ee2e82d4ca2","isrc":"QZVFR2300694","name":"LIGHTS PLEASE (feat. Pusha T & CHASE B)","registered_at":"2026-06-09T05:07:28Z","spotify_id":"7zBgZ7dhwTHx0WvttNExT2","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d36459eca6e9b30c0e4d5bbb293f0e099006fcf710d643df9500ee2e82d4ca2. 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/7zBgZ7dhwTHx0WvttNExT2.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/7zBgZ7dhwTHx0WvttNExT2.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70fbbbc538cdc7a695efbaf4b827655f8452076391bd908bb58b347cf4befdc3. 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/6m377Tf9Z8Belm8aqTUcFj.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/6m377Tf9Z8Belm8aqTUcFj.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68c99e402eadb90fdef0dcbccc33097888a4de70454e77603cace7212fe63298. 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/5XMhppJhtgjkd2SYDklhR9.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/5XMhppJhtgjkd2SYDklhR9.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7924dc341b8e39585429ccc88f84f8bbce1accb259bb9c8be221b9399415a75. 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/4gnPzSCKecLy9WJeHeJBrk.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/4gnPzSCKecLy9WJeHeJBrk.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6bb88f8834cbba70e671511689feab19ecb022b7d9f3f68580d28c042b2204b5. 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/6sFriHsWdq31GcaHdgFHoY.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/6sFriHsWdq31GcaHdgFHoY.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc8a597547e39e75508ac1166a64e49dbfe7743961aafb8d516f3896108718ee. 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/7Arg1uj0da6Q4F7V05F94L.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/7Arg1uj0da6Q4F7V05F94L.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb228cd1c2d13b707b712033abd63a4b790b63906c1a8f330122038af387ffed2. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4ogkQqgw1qGTiUS5ZiGU1S.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/4ogkQqgw1qGTiUS5ZiGU1S.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb228cd1c2d13b707b712033abd63a4b790b63906c1a8f330122038af387ffed2. 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/5gBNjRGkw2uePBiaO4Mkii.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/5gBNjRGkw2uePBiaO4Mkii.
{"copyright_id":"0x14dc2b9073af33cf435987160d007e1aa2fb89a69cc7008d9d165dd4c978eaa6","isrc":"QZVFR2301482","name":"Ring Ring - Extended Version","registered_at":"2026-06-05T08:55:29Z","spotify_id":"2YDXjCyBzfiUF6MEdGREqw","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14dc2b9073af33cf435987160d007e1aa2fb89a69cc7008d9d165dd4c978eaa6. 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/2YDXjCyBzfiUF6MEdGREqw.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/2YDXjCyBzfiUF6MEdGREqw.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb228cd1c2d13b707b712033abd63a4b790b63906c1a8f330122038af387ffed2. 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/7H3FchOw88kkcGH5d8kCb0.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/7H3FchOw88kkcGH5d8kCb0.
{"copyright_id":"0x8d36459eca6e9b30c0e4d5bbb293f0e099006fcf710d643df9500ee2e82d4ca2","isrc":"QZVFR2300694","name":"LIGHTS PLEASE","registered_at":"2026-06-09T05:07:28Z","spotify_id":"4jBgHb0atp2yyIa78MnsF8","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d36459eca6e9b30c0e4d5bbb293f0e099006fcf710d643df9500ee2e82d4ca2. 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/4jBgHb0atp2yyIa78MnsF8.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/4jBgHb0atp2yyIa78MnsF8.