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 0xb5b2885bfb7da6b70356b32c8a87f2d131a1fac8a58619821e636c94dcf888f1. 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/487ef482-813e-461e-bda8-3cf7ef359f73.json and https://artists.proofprofile.net/proofs/artist/487ef482-813e-461e-bda8-3cf7ef359f73.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Midnight Tyrannosaurus & Helicopter Showdown - Drippin / Jelly Monster
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 0x01deca824a89cf734dbff780b3080bebfb4b1a6b4351151f2214c3c1d1579c46. 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/0z5kKqw5c36mykXRTGnpJJ.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/0z5kKqw5c36mykXRTGnpJJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa226a9cd0ad75265dd50d45fb1d6544292cd6b308e17b97d2c1b3d4151e9d520. 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/42Kla7E5bUL6tVqeaXaF2b.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/42Kla7E5bUL6tVqeaXaF2b.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5467dd65e2699d5cd2c882f208cfd07e11a724ac0027d2165fdf0e0f52a86f4. 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/5dAcpwzqulKADEOTtWNLHv.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/5dAcpwzqulKADEOTtWNLHv.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6dec6eadf80252f94f65a97a37fceedd830aee8f18f384fcca01391436848dd2. 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/3tsdSC5k8qZACO2xIgHZNW.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/3tsdSC5k8qZACO2xIgHZNW.
{"copyright_id":"0xb7d1df1fa24f2de2db1f58d5b565d05fd619e6674feaf45f4f56a1b5ab81c6b0","isrc":"GB7YL1896104","name":"Shape Shifter","registered_at":"2026-06-10T20:31:43Z","spotify_id":"65iQybrYH7AeP7GWNJycma","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7d1df1fa24f2de2db1f58d5b565d05fd619e6674feaf45f4f56a1b5ab81c6b0. 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/65iQybrYH7AeP7GWNJycma.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/65iQybrYH7AeP7GWNJycma.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82d85213f8828b987ff8b592d001cd4ab7db2c05db5d48d75b23c2b62d7e54dd. 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/060ROGq7u0qdjsrME56PJg.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/060ROGq7u0qdjsrME56PJg.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50a55bd5f39ed8d96fd627ef5b913e82d2e3ab660ef1d19e8d7a7dd90ed19c01. 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/1VBxvUWfh15pNKW95c8yrd.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/1VBxvUWfh15pNKW95c8yrd.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b08bd729ba623099b6960e9aa6516ed42ca9f87910528b8b83c86b3578fb784. 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/0EoQ7h5FO3IqafGxHYOHcY.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/0EoQ7h5FO3IqafGxHYOHcY.
{"copyright_id":"0x1378693d968a8cd34b9ca0e799d82f214b5782828f4827c84607a10cab7b987e","isrc":"GB7YL1896111","name":"Black Label XL 5 - Continuous Mix","registered_at":"2026-06-25T11:10:19Z","spotify_id":"0PKGgOexRsOzmxTWdqeRl8","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1378693d968a8cd34b9ca0e799d82f214b5782828f4827c84607a10cab7b987e. 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/0PKGgOexRsOzmxTWdqeRl8.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/0PKGgOexRsOzmxTWdqeRl8.
{"copyright_id":"0x77dbcde1ace20199ae112d550a8b8beae3d077990f5f3fe53f068c95c00d2c49","isrc":"CA5KR2355159","name":"Festering Serpent","registered_at":"2026-06-29T11:41:03Z","spotify_id":"39N7wHdbtWtbbzLbXH4W6C","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77dbcde1ace20199ae112d550a8b8beae3d077990f5f3fe53f068c95c00d2c49. 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/39N7wHdbtWtbbzLbXH4W6C.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/39N7wHdbtWtbbzLbXH4W6C.
{"copyright_id":"0x8e570dbfe2662dc9f8ed3d8633872c2914a511e84a4ba24c5f86c515e3b8e99e","isrc":"CA5KR2470848","name":"Bacon Egg n Cheese","registered_at":"2026-06-29T12:09:26Z","spotify_id":"1tpjCbv26YsVvt1esNIQ5j","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e570dbfe2662dc9f8ed3d8633872c2914a511e84a4ba24c5f86c515e3b8e99e. 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/1tpjCbv26YsVvt1esNIQ5j.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/1tpjCbv26YsVvt1esNIQ5j.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3cbec5edee4d0a4380c6616e5bbc1a9f1f1069fff7621959a659e957d7d39c13. 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/56WDWNRXDtrXlbiEu325MF.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/56WDWNRXDtrXlbiEu325MF.
{"copyright_id":"0xee2fc6fa407d4f14aca5e4091edcb1a0680ca12a3e00d885c31a91736ef22fab","isrc":"CA5KR1958724","name":"Step Aside","registered_at":"2026-06-04T12:28:17Z","spotify_id":"6JZcYmtHCnEEIyENCDNgRd","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee2fc6fa407d4f14aca5e4091edcb1a0680ca12a3e00d885c31a91736ef22fab. 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/6JZcYmtHCnEEIyENCDNgRd.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/6JZcYmtHCnEEIyENCDNgRd.
{"copyright_id":"0x0be29a4d13698694dd6bab7eec3f31bb72ec83c615ed68ccc22dcb319b624d0d","isrc":"GB7YL1691613","name":"Operation Z","registered_at":"2026-06-22T23:54:27Z","spotify_id":"5HpJ1dnlsntYGmbWg7INCp","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0be29a4d13698694dd6bab7eec3f31bb72ec83c615ed68ccc22dcb319b624d0d. 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/5HpJ1dnlsntYGmbWg7INCp.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/5HpJ1dnlsntYGmbWg7INCp.
Black Hole - Midnight Tyrannosaurus Remix
{"copyright_id":"0x4738efd0987dfcacf20ba6fe6a1740101b93d9839d84100a1e41f764cdee5b59","isrc":"GB7YL1691620","name":"Black Hole - Midnight Tyrannosaurus Remix","registered_at":"2026-06-19T08:51:52Z","spotify_id":"3uJ4b6xYLEhIV6eQ1eXJ25","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4738efd0987dfcacf20ba6fe6a1740101b93d9839d84100a1e41f764cdee5b59. 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/3uJ4b6xYLEhIV6eQ1eXJ25.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/3uJ4b6xYLEhIV6eQ1eXJ25.
Arena - Midnight Tyrannosaurus & Definitive Remix
{"copyright_id":"0xdd733905a6c02f82de6274241f5e433251df50cb8f1bb8fbbefb25643f7e1ea5","isrc":"BEN582000003","name":"Arena - Midnight Tyrannosaurus & Definitive Remix","registered_at":"2026-06-21T01:38:44Z","spotify_id":"7u04CdHbOv6vqsfumiHWcD","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd733905a6c02f82de6274241f5e433251df50cb8f1bb8fbbefb25643f7e1ea5. 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/7u04CdHbOv6vqsfumiHWcD.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/7u04CdHbOv6vqsfumiHWcD.
{"copyright_id":"0x620cf149585d4fdd4e0abb25dcf65e2db3197412ac12f96bd1ad4e3c87e3eb88","isrc":"GB7YL1710019","name":"Planet Purge Pt. 2","registered_at":"2026-06-06T22:55:15Z","spotify_id":"0qWmdV9v1iY6cxLltyNGgs","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x620cf149585d4fdd4e0abb25dcf65e2db3197412ac12f96bd1ad4e3c87e3eb88. 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/0qWmdV9v1iY6cxLltyNGgs.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/0qWmdV9v1iY6cxLltyNGgs.
Headstone - Midnight Tyrannosaurus Remix
{"copyright_id":"0x908a015e821eb0bf0ebbff133f13e32d5bd9c69c97d81ee1b4b9ab9ad9f9cb0a","isrc":"CA5KR2020040","name":"Headstone - Midnight Tyrannosaurus Remix","registered_at":"2026-06-25T20:27:13Z","spotify_id":"5x5F73SCZ8P7M0lVx69yti","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x908a015e821eb0bf0ebbff133f13e32d5bd9c69c97d81ee1b4b9ab9ad9f9cb0a. 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/5x5F73SCZ8P7M0lVx69yti.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/5x5F73SCZ8P7M0lVx69yti.