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 0xac45c236ee687aaa8fe9de5821e113cd9e7f6e5c23f8cb22b4c919e7030f5915. 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/0e5730cf-b83e-496a-879b-59b96fc3818c.json and https://artists.proofprofile.net/proofs/artist/0e5730cf-b83e-496a-879b-59b96fc3818c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Nemesis / Go Ask Alice / I Don’t Need You
Flexstar - Fresh Young Minds & Bukkha Remix
Flexstar (Fresh Young Minds & Bukkha RMX)
Flexstar (Fresh Young Minds & Bukkha Remix)
Lost in Space, Pt. 2 / Acheri / Harrington 1200
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 0x6217c3d9356b288b50a82e2325bdc63066b1035697b9c6381aa57b2e3c0ea4c1. 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/3YMDxliuq616IAB7KvDaIZ.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/3YMDxliuq616IAB7KvDaIZ.
{"copyright_id":"0x9c83a3c72f3596970cd9d4b7f3d656a1c3e9fd7fe03be83f953db02b33d11632","isrc":"USA2P1893560","name":"Wiccan Witches","registered_at":"2026-06-20T08:34:45Z","spotify_id":"1VvJLh6juxluc6jaiO7ZuT","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c83a3c72f3596970cd9d4b7f3d656a1c3e9fd7fe03be83f953db02b33d11632. 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/1VvJLh6juxluc6jaiO7ZuT.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/1VvJLh6juxluc6jaiO7ZuT.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x855ab6bcc13f310b32bf68cd86c808a17fbb296b4bc8c25be9735c0f7fcd3c60. 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/1EwQQkR3pUGTeVOEWEXGGS.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/1EwQQkR3pUGTeVOEWEXGGS.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07105d46edbff2c7ba60f3cba43006adc660642b657604c4921168230c27c4f5. 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/3ZbECgnKipQrwuJS4d61hc.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/3ZbECgnKipQrwuJS4d61hc.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0991e3401fc47eb67d0733cc79b4c3240e3eba412e124b911431cae23aa38789. 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/23EM8bZLm8Jr0JXyPUj9Ho.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/23EM8bZLm8Jr0JXyPUj9Ho.
{"copyright_id":"0x96d60f71faf24c6928cbd2300fbfc5ff9a7023a603d1b7937f4fece6e97036da","isrc":"GBLV62034449","name":"Wiccan Witches - Khanum Remix","registered_at":"2026-06-24T14:19:58Z","spotify_id":"0JKFhM3XbWE7a9Aast9Yjg","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96d60f71faf24c6928cbd2300fbfc5ff9a7023a603d1b7937f4fece6e97036da. 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/0JKFhM3XbWE7a9Aast9Yjg.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/0JKFhM3XbWE7a9Aast9Yjg.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87065ee0c1120c656833b8766a8db9a96a322ca3bc54e6f032fc83a2f9cadc3b. 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/5tQe7Wjs7PnecCXvFyT5lT.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/5tQe7Wjs7PnecCXvFyT5lT.
{"copyright_id":"0xf6e3c50b193db2a9b507952126f4cb78ceeb6a25ca4b19fb97ad57cd0b264824","isrc":"TCAIQ2412631","name":"Echo Chamber","registered_at":"2026-06-29T11:47:40Z","spotify_id":"0UHqOOE2WsufHyB4bHNIb0","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6e3c50b193db2a9b507952126f4cb78ceeb6a25ca4b19fb97ad57cd0b264824. 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/0UHqOOE2WsufHyB4bHNIb0.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/0UHqOOE2WsufHyB4bHNIb0.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1ca3bfd6f71770b6d753ea8da28ae294f43e386aede408500c84adf7e285a86. 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/7qeF624k6WolxVYnLQjQxC.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/7qeF624k6WolxVYnLQjQxC.
Dank 'N' Dirty Dubz 4/20 Compilation (2024)
Dank 'n' Dirty Dubz 4/20 Compilation (2021)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ec0b4b7e31d63b485fa63b242232fdd9aba22d7fdd2026f4a7da9a623b66537. 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/4Ag4yAIYDy8ashLrnQTKXM.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/4Ag4yAIYDy8ashLrnQTKXM.
Dank 'n' Dirty Dubz 4/20 Compilation (2022)
Dank 'n' Dirty Dubz 4/20 Compilation (2020)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd1ee21002b06e6830283f093a6d81e50187e4c28cb896599b8408384c6a9050f. 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/22GRnefwcDN8z8PoZeO9g6.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/22GRnefwcDN8z8PoZeO9g6.
{"copyright_id":"0x802128a89cc19e1c42a84491bc8b69e2ba2e5fe83de076eb35bf567956f5be18","isrc":"GBKQU2319580","name":"Pasta Masta - Dirt Monkey Remix","registered_at":"2026-06-20T04:43:47Z","spotify_id":"7sTKIsxDR6Yx8E0iBuBdRW","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x802128a89cc19e1c42a84491bc8b69e2ba2e5fe83de076eb35bf567956f5be18. 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/7sTKIsxDR6Yx8E0iBuBdRW.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/7sTKIsxDR6Yx8E0iBuBdRW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29ed316413e588e00f3113cab1afaeff708aa3ee42151a724120f4eb14668790. 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/4PtDkrmYWohAv92HxWvbus.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/4PtDkrmYWohAv92HxWvbus.
Heterodox - ThazDope Records Compilation Vol. 3