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 0xeed0bb3c7135d742c7efffac607fc5e06725b00cbced570fc407ba01eb87f87c. 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/7ffa9669-c7c8-48df-8787-2b8808a1912e.json and https://artists.proofprofile.net/proofs/artist/7ffa9669-c7c8-48df-8787-2b8808a1912e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Lounge Music, The Must Have Selection Vol. 2
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 0xe82594c724112192dadfe8a642d5ccdfd984e8b9c6637136fb384197779221c1. 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/1LeItUMezKA1HdCHxYICed.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/1LeItUMezKA1HdCHxYICed.
{"copyright_id":"0xda3791fdb782abe06b48137f4451fe0114e3f67f6e5b22e33cb2bbc47f1bc373","isrc":"GBCFB1800360","name":"It’s Only - ODESZA VIP Remix","registered_at":"2026-06-02T00:10:29Z","spotify_id":"2XyNLoEWc4IDt9OVzXZUXl","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda3791fdb782abe06b48137f4451fe0114e3f67f6e5b22e33cb2bbc47f1bc373. 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/2XyNLoEWc4IDt9OVzXZUXl.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/2XyNLoEWc4IDt9OVzXZUXl.
{"copyright_id":"0x550a7626bc9bef579c3d3ddad1da69daff5ec0125bd7552ec9d18b6a3257667d","isrc":"GBCFB1404208","name":"It’s Only","registered_at":"2026-06-04T07:26:43Z","spotify_id":"1TSxLktSlIdEsjTGWB4Fub","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x550a7626bc9bef579c3d3ddad1da69daff5ec0125bd7552ec9d18b6a3257667d. 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/1TSxLktSlIdEsjTGWB4Fub.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/1TSxLktSlIdEsjTGWB4Fub.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe82594c724112192dadfe8a642d5ccdfd984e8b9c6637136fb384197779221c1. 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/32zr9gHyWhgm2Dn5bg0Bpw.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/32zr9gHyWhgm2Dn5bg0Bpw.
{"copyright_id":"0x550a7626bc9bef579c3d3ddad1da69daff5ec0125bd7552ec9d18b6a3257667d","isrc":"GBCFB1404208","name":"It’s Only","registered_at":"2026-06-04T07:26:43Z","spotify_id":"3sgQqearnvzGKqXLgA49ff","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x550a7626bc9bef579c3d3ddad1da69daff5ec0125bd7552ec9d18b6a3257667d. 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/3sgQqearnvzGKqXLgA49ff.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/3sgQqearnvzGKqXLgA49ff.
{"copyright_id":"0x394cc28444b3f1c5cb0041ba13fb2fa83b82625b9aafe4f3262dfba623b2b688","isrc":"GBCFB1501710","name":"Say My Name - Live","registered_at":"2026-06-09T22:53:11Z","spotify_id":"0NWLP7OQFGgu5hSu5DCCZo","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x394cc28444b3f1c5cb0041ba13fb2fa83b82625b9aafe4f3262dfba623b2b688. 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/0NWLP7OQFGgu5hSu5DCCZo.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/0NWLP7OQFGgu5hSu5DCCZo.
{"copyright_id":"0x74d2fe0d96b6f4b4c7dfc9f386828321c4d458b30d078ac740150665b5bd0646","isrc":"GBCFB2400666","name":"Say My Name - Darby Remix","registered_at":"2026-06-05T20:06:06Z","spotify_id":"11AcRxwmwJOweiDffcvVo8","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74d2fe0d96b6f4b4c7dfc9f386828321c4d458b30d078ac740150665b5bd0646. 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/11AcRxwmwJOweiDffcvVo8.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/11AcRxwmwJOweiDffcvVo8.
{"copyright_id":"0xb5ba3cabf38fd0b9543771fad23fa5bdd390101f32f2fadc248d7604237748ec","isrc":"QZFPL2100454","name":"It's Only - Modapit Remix","registered_at":"2026-06-10T08:06:21Z","spotify_id":"36VLw9opDUclwLjV5JFSuL","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5ba3cabf38fd0b9543771fad23fa5bdd390101f32f2fadc248d7604237748ec. 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/36VLw9opDUclwLjV5JFSuL.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/36VLw9opDUclwLjV5JFSuL.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77e126e34ecd889feaade732688df74c0d5f298a0d1c2722092736ce8b194917. 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/2WW9pyW0XcEGELGwY3kGQq.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/2WW9pyW0XcEGELGwY3kGQq.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde6baf50203032aae891556239a1597a2827ca02aeb450dc3c533e298a51c6df. 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/696ds0zpZN1syVy3LeopoC.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/696ds0zpZN1syVy3LeopoC.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b112b73c96395e4e3373b75025b7e15059c30c9fcf5a8ff6e710c519d3764e1. 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/5wH5TtuJitxWPjKx2t4wfz.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/5wH5TtuJitxWPjKx2t4wfz.
{"copyright_id":"0x56b774b9a9972871f38a67f8fc8cb30651ba45c8a890ca87240d7dc19f6216e5","isrc":"NLZ541500590","name":"Say My Name (feat. Zyra) - Remix Edit","registered_at":"2026-06-04T14:13:10Z","spotify_id":"3ydxMuvMxtxYuHuGD1aTtA","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56b774b9a9972871f38a67f8fc8cb30651ba45c8a890ca87240d7dc19f6216e5. 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/3ydxMuvMxtxYuHuGD1aTtA.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/3ydxMuvMxtxYuHuGD1aTtA.
{"copyright_id":"0x1eb862dfad81faab9715a721783996bae698aef796337164dfb9f6227e213e60","isrc":"NLZ541500589","name":"Say My Name (feat. Zyra) - Remix","registered_at":"2026-06-27T18:04:48Z","spotify_id":"2kogaVPx9LU6iQMWszcWan","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1eb862dfad81faab9715a721783996bae698aef796337164dfb9f6227e213e60. 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/2kogaVPx9LU6iQMWszcWan.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/2kogaVPx9LU6iQMWszcWan.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56b774b9a9972871f38a67f8fc8cb30651ba45c8a890ca87240d7dc19f6216e5. 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/5nwcPl5fG6Rx1IWPsaUJI9.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/5nwcPl5fG6Rx1IWPsaUJI9.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe82594c724112192dadfe8a642d5ccdfd984e8b9c6637136fb384197779221c1. 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/0n5anGeI1M6Hg1s1vXIjZo.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/0n5anGeI1M6Hg1s1vXIjZo.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x550a7626bc9bef579c3d3ddad1da69daff5ec0125bd7552ec9d18b6a3257667d. 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/31F6Vve0hWfjRq6jMU4GOK.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/31F6Vve0hWfjRq6jMU4GOK.
{"copyright_id":"0xa7ce29446ad2b4212d73020954cffd5d633d27196c4780ceacbb9a5d1b8903e4","isrc":"GBCFB1404226","name":"Say My Name - Hayden James Remix","registered_at":"2026-06-06T23:36:47Z","spotify_id":"1YT1SkOJ75CZlvwp66o5JH","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7ce29446ad2b4212d73020954cffd5d633d27196c4780ceacbb9a5d1b8903e4. 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/1YT1SkOJ75CZlvwp66o5JH.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/1YT1SkOJ75CZlvwp66o5JH.
{"copyright_id":"0x36929691d37525e6f444dbf7fb2ebf85ee5137897c7b7245da72b9570e8604d7","isrc":"GBCFB1601104","name":"It’s Only - RÜFÜS DU SOL Remix","registered_at":"2026-06-05T21:54:37Z","spotify_id":"6bzsuik8LUdJISaURiJT8V","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36929691d37525e6f444dbf7fb2ebf85ee5137897c7b7245da72b9570e8604d7. 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/6bzsuik8LUdJISaURiJT8V.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/6bzsuik8LUdJISaURiJT8V.