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 0xadf24fc35a3956c0ecb6f16c38b25417595b89a6da36f1bbbe9444fb82b756b3. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c3c14a86-b661-4611-a84c-ea71b4bf50d2.json and https://artists.proofprofile.net/proofs/artist/c3c14a86-b661-4611-a84c-ea71b4bf50d2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
BRC - Robert Babicz Spaced Out Cosmic Remix
{"copyright_id":"0xd5790ff0f6cf7192c17401230ac5bd5808cd9543158f804bfe4d67c34c9cca35","isrc":"US83Z1204039","name":"False Awakenings - Original Mix","registered_at":"2026-06-29T06:56:53Z","spotify_id":"6mU9fKG2Sdjr38U14saBHc","type":"track"}
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 0xd5790ff0f6cf7192c17401230ac5bd5808cd9543158f804bfe4d67c34c9cca35. 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/6mU9fKG2Sdjr38U14saBHc.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/6mU9fKG2Sdjr38U14saBHc.
Lucid Dreaming - Simon Vuarambon & Kevin Di Serna Remix
Change Your Life (Part 2) - Original Mix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b6e0f4ec976ed9bbe7fb56aac1c3ab11000ef83552ed36118610d1a6b6cc464. 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/6eDLM81ZweJkB6q5KanvA7.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/6eDLM81ZweJkB6q5KanvA7.
{"copyright_id":"0x62e8461e9e6adfc7b4a9139b299963a1a754b377dd813eec9c1edd9bd0df409e","isrc":"DEW872304150","name":"Down Memory Lane","registered_at":"2026-06-29T20:34:37Z","spotify_id":"2jW4hMHUZh7PFHDj2hI4ss","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62e8461e9e6adfc7b4a9139b299963a1a754b377dd813eec9c1edd9bd0df409e. 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/2jW4hMHUZh7PFHDj2hI4ss.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/2jW4hMHUZh7PFHDj2hI4ss.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1293bcfd026929b3fa1f5d776022bae5c9305aaf6a4eaa3a5aad2deaf4320a03. 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/4ib61dE4js1O25ATQifLdh.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/4ib61dE4js1O25ATQifLdh.
{"copyright_id":"0x0c85e3d38f86459e20c793adf925da43d6d785d3aecff307be307c69fedcd5ad","isrc":"GBEWA1300609","name":"The Bay 6","registered_at":"2026-06-07T06:47:00Z","spotify_id":"2i6qOvSsXUvYFUJk0kdS0G","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c85e3d38f86459e20c793adf925da43d6d785d3aecff307be307c69fedcd5ad. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2i6qOvSsXUvYFUJk0kdS0G.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/2i6qOvSsXUvYFUJk0kdS0G.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe049d5416018919d78db70d697a8ccba709a558b2806a0089e02e771b712a074. 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/7jTg9Ew4cQHmjsB5zuF97F.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/7jTg9Ew4cQHmjsB5zuF97F.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a8180bdfe671dff4426c1304c759256c97d94f8c078b18e4b56208817dd5e29. 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/3JWOJFkdphqnC5Er08v9dB.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/3JWOJFkdphqnC5Er08v9dB.
Balance presents Sunsetstrip (Unmixed Version)
{"copyright_id":"0x75666b355fad480a4ebd63c1a559bb3ec5b92e63ecaa237b89ee30476660ca0c","isrc":"US83Z2118124","name":"Ghostnote - DAVI Remix","registered_at":"2026-06-22T06:59:17Z","spotify_id":"75pNAr4pytpTtmJfeZ6DC0","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75666b355fad480a4ebd63c1a559bb3ec5b92e63ecaa237b89ee30476660ca0c. 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/75pNAr4pytpTtmJfeZ6DC0.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/75pNAr4pytpTtmJfeZ6DC0.
Chant A Tune / Deep Space Girls (Remixed)
Calling New York / 6 O'Clock (DAVI Remixes)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4381ee385d51e4152b4245700304d04a89be657918646897ef491160e83cff86. 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/7bOIyEJiNpR61haehvsNEj.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/7bOIyEJiNpR61haehvsNEj.
Endless Music - Balearic Ibiza Grooves, Vol.2 (Compiled by Paul Lomax)
Boarding Call - Armen Miran Remix - Mixed