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 0xe3066232d1821610d19d44c29901ce93dc5e5eb08e840fbe62a2462c580fa494. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/38c3a5a9-e496-4a58-820f-3e6792199e5a.json and https://artists.proofprofile.net/proofs/artist/38c3a5a9-e496-4a58-820f-3e6792199e5a.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 0x265aa4f3fb8f460ef344fa16b2970c76e4e496ac512747902987842c9a5e3519. 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/43C6k35MErofjbUCQAFD37.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/43C6k35MErofjbUCQAFD37.
{"copyright_id":"0xc9f4c0c6d52540a2b60ae909415c43a707d8daa56636ad51cd17478c8438e6e3","isrc":"DEVF11700247","name":"Tonic Water - dazy Remix","registered_at":"2026-06-04T11:44:44Z","spotify_id":"7zn3MMeHjee0OZAtsLMDxN","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9f4c0c6d52540a2b60ae909415c43a707d8daa56636ad51cd17478c8438e6e3. 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/7zn3MMeHjee0OZAtsLMDxN.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/7zn3MMeHjee0OZAtsLMDxN.
Kitsuné Musique Mixed by POCKET (DJ Mix)
Wir sind uns lang verloren gegangen (feat. Natalia Mateo) (Moglii Remix) (Music from the Original TV Series "Babylon Berlin")
Wir sind uns lang verloren gegangen (feat. Natalia Mateo) [Moglii RemixMusic from the Original TV Series "Babylon Berlin"]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a1e21e47592aba80a0a059978e326ff02ac31c065a67da4fd2c600c581cf99f. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4cnnSYOJmuB2d5C7Noxb5a.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/4cnnSYOJmuB2d5C7Noxb5a.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ca2b0c0bd04943a641ecb7869734ef501ba69cc0a66b8de28f8574770317ab8. 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/0kql0o5nJLHK4q1kDabm62.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/0kql0o5nJLHK4q1kDabm62.
{"copyright_id":"0xc0ed4f0cbb164af7a0480c67d4cbb8a88fa8382bc6eb379657f1b687acc3ae9a","isrc":"DESY21401339","name":"Welcome To","registered_at":"2026-06-10T18:06:19Z","spotify_id":"6NWlVlFocOJ8MfYeVb4cHO","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0ed4f0cbb164af7a0480c67d4cbb8a88fa8382bc6eb379657f1b687acc3ae9a. 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/6NWlVlFocOJ8MfYeVb4cHO.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/6NWlVlFocOJ8MfYeVb4cHO.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2021573e4038d6eea94a1f1e1996e1063432d3ce729dcd637e076a7703ba52c6. 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/7gvY6VMKthAT1IOnBkmFb1.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/7gvY6VMKthAT1IOnBkmFb1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1eae8bf397d957ffa165677033b5aede7d54c88d3e25d55d470157e1d12065e4. 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/2LgCQb822jgWDjSOjZQrja.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/2LgCQb822jgWDjSOjZQrja.
{"copyright_id":"0x52f3b4cb4c6c38293cc32bfa1d48fe1e7c4a219ead91980b78bcff8ae0e1b095","isrc":"DESY21401342","name":"Don't Need U for My","registered_at":"2026-06-24T14:06:22Z","spotify_id":"3x5ik184Zk3MQ8Y7MPXemE","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52f3b4cb4c6c38293cc32bfa1d48fe1e7c4a219ead91980b78bcff8ae0e1b095. 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/3x5ik184Zk3MQ8Y7MPXemE.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/3x5ik184Zk3MQ8Y7MPXemE.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1eae8bf397d957ffa165677033b5aede7d54c88d3e25d55d470157e1d12065e4. 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/3eGrDFDqNpFUzPGhimhxDs.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/3eGrDFDqNpFUzPGhimhxDs.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a1e21e47592aba80a0a059978e326ff02ac31c065a67da4fd2c600c581cf99f. 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/1Yz2piyosf4Snm0rhAR5bg.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/1Yz2piyosf4Snm0rhAR5bg.
{"copyright_id":"0xdd2660e47c08aac334ccc62d28d24cbc944b5a2bfb773ce8a4a4e59161777b84","isrc":"GBLAZ2301897","name":"Take It Or Leave It","registered_at":"2026-06-08T11:09:36Z","spotify_id":"1o50D29tsnzInFW2ACAwjN","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd2660e47c08aac334ccc62d28d24cbc944b5a2bfb773ce8a4a4e59161777b84. 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/1o50D29tsnzInFW2ACAwjN.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/1o50D29tsnzInFW2ACAwjN.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8a1d0d94558f6454bf752cb594594a043079ae700b6bc17a5103ad629e96717. 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/0PoZOhx2hOvCp0HpYit2h1.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/0PoZOhx2hOvCp0HpYit2h1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15b36d1c4ad097739bb23589f00abb001ca7f44b35ad53002cad70a2e7cee01e. 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/6PpcgiDywaVYva8sT2jPSh.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/6PpcgiDywaVYva8sT2jPSh.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15b36d1c4ad097739bb23589f00abb001ca7f44b35ad53002cad70a2e7cee01e. 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/5jcih933VV9IAx2EbadFXQ.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/5jcih933VV9IAx2EbadFXQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5732dd48b063771d31690d6fe16b59e6fcbb992806b8db2cc8f0767c5880a19. 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/32sDW6sINueLgj4hd8WzBu.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/32sDW6sINueLgj4hd8WzBu.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d98ae495d987c542018c17d7e3ae512185c2cb2fa742cc40581db933c1510f6. 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/0Ydc2HmgwB14dv87piVDYz.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/0Ydc2HmgwB14dv87piVDYz.