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 0xe96045fe682657fcaaf06cd337b52be313f0bd934d3decf3fe17e0f99f2f6e56. 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/8ff51263-b3bc-46b8-96f3-004500fd7a92.json and https://artists.proofprofile.net/proofs/artist/8ff51263-b3bc-46b8-96f3-004500fd7a92.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Purple: A Dedication (feat. Evan Ford & Eris Ford)
{"copyright_id":"0xbdff8c54e4a0182efde88e0513cb53b694556bbc0fc16ff9f9a0be604065922b","isrc":"TCADR1859726","name":"All Year / Daddy Duties III","registered_at":"2026-06-27T04:46:22Z","spotify_id":"1OsOrPXsc7OB6WTilLHxD1","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 0xbdff8c54e4a0182efde88e0513cb53b694556bbc0fc16ff9f9a0be604065922b. 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/1OsOrPXsc7OB6WTilLHxD1.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/1OsOrPXsc7OB6WTilLHxD1.
{"copyright_id":"0xba82b58338d8ef8ba923d6a9147c7f37e8c1bbcc9d771db5bde2d5666ce15d04","isrc":"TCADR1859898","name":"I'll Wait","registered_at":"2026-06-23T07:28:08Z","spotify_id":"1dpNZupqAcgqxvCUufX74Y","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba82b58338d8ef8ba923d6a9147c7f37e8c1bbcc9d771db5bde2d5666ce15d04. 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/1dpNZupqAcgqxvCUufX74Y.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/1dpNZupqAcgqxvCUufX74Y.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e2600773f4664f9a4496699230ec08335c9e5bdfb7601e692595329dfba4ac9. 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/707x8GBffu0ik5aW5bPL33.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/707x8GBffu0ik5aW5bPL33.
{"copyright_id":"0x4ab43abb80d64176432e5b4cb15ddaa7b815135c29877d0433f8ba3ddfbcaca9","isrc":"TCADR1859906","name":"Long Way to Go","registered_at":"2026-06-21T03:52:21Z","spotify_id":"3vId1K6YGAIDIXW4bk3w3x","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ab43abb80d64176432e5b4cb15ddaa7b815135c29877d0433f8ba3ddfbcaca9. 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/3vId1K6YGAIDIXW4bk3w3x.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/3vId1K6YGAIDIXW4bk3w3x.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x168b6517e73de9adc2cb010f5a129eea37d772b561a0e94f4ffc4207a4ec8836. 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/26hITZk5jwmERVAzB0y2Q9.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/26hITZk5jwmERVAzB0y2Q9.
Hurry up & Wait / Mitchell & Blessed III
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82a7cce7b9d36bf94a32820b082e16c01a0931dd78c52fd9e1d679d2e657469c. 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/7f95CKfYSoJOHOnbPyhRj1.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/7f95CKfYSoJOHOnbPyhRj1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf10de93fc567ef31647ee71bbc8fccd2ad925cad0dad45da3a4a96527a213cf7. 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/2jTupwsVkxRGPUMkYMJbQt.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/2jTupwsVkxRGPUMkYMJbQt.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb49e72ea331112916a7ce9d7484426a8492fc68cd3233be2d59145a3494cc682. 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/2a5CFvbokgTXE2H0XALqOG.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/2a5CFvbokgTXE2H0XALqOG.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10b9a7b09967093f20cd3014355655cff374c9647fed63287f62cf04521f2ad5. 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/1e2AcRwaevTcFrNqWzlmOy.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/1e2AcRwaevTcFrNqWzlmOy.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f786003f23e065df0570fccc27544b4bab1396830f0d66dedc66f1c45a36238. 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/6A3dDMhmcDDXXuWHl9yN37.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/6A3dDMhmcDDXXuWHl9yN37.
{"copyright_id":"0xa93f91b2d1a21a92f5cb675d6289a4d212973ff66a0d3552c4450afb88bf564e","isrc":"QZQAY2475948","name":"Bossa Nova - Remix","registered_at":"2026-06-08T12:35:20Z","spotify_id":"2yCdn5yeRBAhVuoCvWyB7p","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa93f91b2d1a21a92f5cb675d6289a4d212973ff66a0d3552c4450afb88bf564e. 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/2yCdn5yeRBAhVuoCvWyB7p.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/2yCdn5yeRBAhVuoCvWyB7p.
{"copyright_id":"0x6678a9d8af7da0ad262fb893038aa85b5c15aeda6b1f79dd9c43002d12e6f0ca","isrc":"USA2P2421401","name":"Going Out A Legend","registered_at":"2026-06-20T07:21:39Z","spotify_id":"6umUnCcykJ2IVLsUkuZQy3","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6678a9d8af7da0ad262fb893038aa85b5c15aeda6b1f79dd9c43002d12e6f0ca. 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/6umUnCcykJ2IVLsUkuZQy3.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/6umUnCcykJ2IVLsUkuZQy3.
I Got The Spirit (feat. Datin, Raging Moses, Stefan Otto & Jered Sanders)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2741126cdd742f74b3296a0d33b7bfcfbe80908618e337f30ff75e80af625f5c. 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/14hv7b0cYlZrH2pmPiSDTd.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/14hv7b0cYlZrH2pmPiSDTd.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb25f9683257bd16d2f63ffe00f5d77814c982549a219a55b24a0b309d838228. 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/2AiIEcRC9GoONoHZAc1Dk0.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/2AiIEcRC9GoONoHZAc1Dk0.
HRVST: Szn of Completion (Deluxe Edition)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33e3594373d0c2d4907b9ba41323e20008948e9d8384b5a311a69b651e3f9e94. 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/0enK9RjhuTb6VGfMPG0j0d.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/0enK9RjhuTb6VGfMPG0j0d.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3daae087e6d832271cec3041663275867977a8a79a7fa94a9ccd6e93f51a4e78. 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/2JjDmxJWVH3asqC1p2dVId.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/2JjDmxJWVH3asqC1p2dVId.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1bad3745b38cb5c4a262019726940f41adf848415e0098a0088a981e5f85ca4d. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6pr4Nd23sUYJMzpcI6f2Jw.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/6pr4Nd23sUYJMzpcI6f2Jw.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1bad3745b38cb5c4a262019726940f41adf848415e0098a0088a981e5f85ca4d. 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/7lsu4eQmtqwgCl2NRzFFEK.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/7lsu4eQmtqwgCl2NRzFFEK.