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 0x9c20f80f48298204f1d5607ce6e0719848332c3f2493a4a129835bbc825cfcec. 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/cf8b8776-63c6-4715-83e6-9d4b6fa12232.json and https://artists.proofprofile.net/proofs/artist/cf8b8776-63c6-4715-83e6-9d4b6fa12232.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 0x3c5e8e4f0cd4e0cd3b3eedcea4f0fd6c03a5f1b0a6f1a47926bfd7ae8bd1f6ce. 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/2Ka4G4bKd7OdwdK8zQEX1F.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/2Ka4G4bKd7OdwdK8zQEX1F.
{"copyright_id":"0x839c76a0c2dee6dd509ddf8069c465af6024891b151d1d1e82e1cc59f242bf19","isrc":"NLD682303425","name":"Shine On - Little Foot Remix","registered_at":"2026-06-23T09:13:22Z","spotify_id":"3lUwQXThY3S5R7hr0dIlML","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x839c76a0c2dee6dd509ddf8069c465af6024891b151d1d1e82e1cc59f242bf19. 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/3lUwQXThY3S5R7hr0dIlML.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/3lUwQXThY3S5R7hr0dIlML.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7366c0ee145c3f219ab0b9649a13a5af2d182b84885f8dc01a4cdb7ce1c23852. 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/3esLmDNmNFBOQo4XaBxs9n.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/3esLmDNmNFBOQo4XaBxs9n.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9869eeb603603bef8750314675e093d97adf17a2d5e634e7862e5001ea4eb3b3. 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/5snBXrfhzZaUsc3TPEPV90.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/5snBXrfhzZaUsc3TPEPV90.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc690691c5053d68f7a8d544ad1a51d159a9bfed1a6f40a8572e10c49ba49cf42. 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/64dTYhukeUxkSc22WMvkzH.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/64dTYhukeUxkSc22WMvkzH.
Reborn From Imaginary Ashes - Extended Mix
City Lights - Westseven Pressure Room Remix
City Lights (Westseven Pressure Room Remix)
{"copyright_id":"0x99d294343584d708d4fed167c7173c2fc31ac43cc349d934afce24cd0d00a9c5","isrc":"NLD682102100","name":"My Tunnel - Jones Meadow Remix","registered_at":"2026-06-27T06:19:09Z","spotify_id":"4pqraS5efrr5uC58cy9l4s","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99d294343584d708d4fed167c7173c2fc31ac43cc349d934afce24cd0d00a9c5. 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/4pqraS5efrr5uC58cy9l4s.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/4pqraS5efrr5uC58cy9l4s.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c5b5aedd604079712973dfba726e4188872ebd89fc1d1839cf5ec5c85e6a2f4. 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/0QGM2hpSmtc77b9BdZlwb0.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/0QGM2hpSmtc77b9BdZlwb0.
{"copyright_id":"0x015e5116f57a8a61eaa4ebed53edcf92e6d0bb887ebba97f12fbf8128a8bf257","isrc":"QZFYW2139825","name":"Unknown Colors","registered_at":"2026-06-10T18:46:49Z","spotify_id":"6WObyUzuwHeNGX3gbxRQtQ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x015e5116f57a8a61eaa4ebed53edcf92e6d0bb887ebba97f12fbf8128a8bf257. 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/6WObyUzuwHeNGX3gbxRQtQ.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/6WObyUzuwHeNGX3gbxRQtQ.
Dark Knight Of The Soul / Phoenix / Little Dreams
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3c290509d94c4f767f0b69d2a086c21d401819193a50ec65de066a1a8b657c8. 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/1RQ2h9IJpFIjePRc0U2RQy.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/1RQ2h9IJpFIjePRc0U2RQy.
Group Therapy 300 Live from Hong Kong - Deep Set
{"copyright_id":"0x85f0af461a4ceca308d68ca928a1c95f47c8fbc3bc7e93228dcd8c4dc82a3654","isrc":"GBEWA1803002","name":"Almost Home (ABGT300WD)","registered_at":"2026-06-08T10:51:04Z","spotify_id":"2RDCH0eh8WbfB2zETrEONy","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85f0af461a4ceca308d68ca928a1c95f47c8fbc3bc7e93228dcd8c4dc82a3654. 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/2RDCH0eh8WbfB2zETrEONy.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/2RDCH0eh8WbfB2zETrEONy.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1fd5cb501ee98102f1b76be4ee2049916946552609a8bc0e0dfae4c8542dd05. 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/3pjx0MOu4MIiLxIGl90t8z.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/3pjx0MOu4MIiLxIGl90t8z.