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 0x8ffda06a9e671f6c7bec25e4ddec9f7612badbdfe19dac2b7b266c8af584ec1e. 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/30ba7856-206c-4ca8-94b2-500a6f454428.json and https://artists.proofprofile.net/proofs/artist/30ba7856-206c-4ca8-94b2-500a6f454428.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0xc993a35791da9e976f0eb86e68e5c1fe642a0bac349d365d0849ab43a0836833","isrc":"UKWLG2200078","name":"I'm Good (Blue) - Cedric Gervais Remix","registered_at":"2026-06-05T19:44:29Z","spotify_id":"4KsCS8KYebw8i8CcQ4piRx","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 0xc993a35791da9e976f0eb86e68e5c1fe642a0bac349d365d0849ab43a0836833. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4KsCS8KYebw8i8CcQ4piRx.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/4KsCS8KYebw8i8CcQ4piRx.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50868d0042070f26b8d52c77736f6aa0a8befa1d5133456b8a645a12b0cf65e4. 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/0wh8VU4gyIYUQPVC2kTusX.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/0wh8VU4gyIYUQPVC2kTusX.
I'm Good (Blue) - Cedric Gervais Extended Remix
{"copyright_id":"0xdc271efe7e0c64668ae2a39ca2829d1105b41afda07071d672ab116c56055f78","isrc":"UKWLG2200079","name":"I'm Good (Blue) - Cedric Gervais Extended Remix","registered_at":"2026-06-22T16:33:10Z","spotify_id":"6i4mOAdizb5mIwozqtepkX","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc271efe7e0c64668ae2a39ca2829d1105b41afda07071d672ab116c56055f78. 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/6i4mOAdizb5mIwozqtepkX.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/6i4mOAdizb5mIwozqtepkX.
Desire (with Sam Smith) [Cedric Gervais Remixes]
Desire (with Sam Smith) - Cedric Gervais Festival Mix
{"copyright_id":"0x6c692076d2c84506f5d79ff4173254a8f0c677165e8c1c5687603b3387bef05a","isrc":"GBARL2301291","name":"Desire (with Sam Smith) - Cedric Gervais Festival Mix","registered_at":"2026-06-08T09:06:44Z","spotify_id":"4E03xcSx0FZOfzEeTdcmRc","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c692076d2c84506f5d79ff4173254a8f0c677165e8c1c5687603b3387bef05a. 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/4E03xcSx0FZOfzEeTdcmRc.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/4E03xcSx0FZOfzEeTdcmRc.
Desire (with Sam Smith) - Cedric Gervais Club Mix
{"copyright_id":"0xec508d4a7fb86716550d60655854b0dfd071a7987fa5fc5b26763d1e2b647975","isrc":"GBARL2301301","name":"Desire (with Sam Smith) - Cedric Gervais Club Mix","registered_at":"2026-06-09T13:31:43Z","spotify_id":"402u4S8gJJcQ7NOXnfH8dx","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec508d4a7fb86716550d60655854b0dfd071a7987fa5fc5b26763d1e2b647975. 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/402u4S8gJJcQ7NOXnfH8dx.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/402u4S8gJJcQ7NOXnfH8dx.
{"copyright_id":"0xee32a881a5c8c949b61edf6f370111e8fbd63ca8554d20683e3be29e0280eb32","isrc":"GBARL2300798","name":"Desire (with Sam Smith)","registered_at":"2026-06-01T05:14:05Z","spotify_id":"0ma4tCG1mBp1xMy9GNzKVE","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee32a881a5c8c949b61edf6f370111e8fbd63ca8554d20683e3be29e0280eb32. 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/0ma4tCG1mBp1xMy9GNzKVE.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/0ma4tCG1mBp1xMy9GNzKVE.
Over It (Cedric Gervais vs Drax Project)
Over It (Cedric Gervais vs Drax Project) - Extended Mix
Young And Beautiful [Lana Del Rey vs. Cedric Gervais] (Cedric Gervais Remix Radio Edit)
Young And Beautiful [Lana Del Rey vs. Cedric Gervais] - Cedric Gervais Remix Radio Edit
{"copyright_id":"0xa98a19ce2467e1a1fb71474fc27ea6751045d6bf6138dfed2c12d91c021c0e38","isrc":"GBUM71305235","name":"Young And Beautiful [Lana Del Rey vs. Cedric Gervais] - Cedric Gervais Remix Radio Edit","registered_at":"2026-06-04T14:04:45Z","spotify_id":"4aBDS6611oBs5LBiVMuQmh","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa98a19ce2467e1a1fb71474fc27ea6751045d6bf6138dfed2c12d91c021c0e38. 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/4aBDS6611oBs5LBiVMuQmh.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/4aBDS6611oBs5LBiVMuQmh.
House Music Pt. 3 (Cedric Gervais 2.5 Club Remix)
House Music, Pt. 3 - Cedric Gervais 2.5 Club Remix
{"copyright_id":"0x6fa23cda281d21acfec7b8defcfb0aafb206410f65a7343106f30d05c0f29c77","isrc":"QM6P42465685","name":"House Music, Pt. 3 - Cedric Gervais 2.5 Club Remix","registered_at":"2026-06-10T15:13:20Z","spotify_id":"4wUtiAqzjyA5D4JZJuGZbu","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6fa23cda281d21acfec7b8defcfb0aafb206410f65a7343106f30d05c0f29c77. 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/4wUtiAqzjyA5D4JZJuGZbu.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/4wUtiAqzjyA5D4JZJuGZbu.
{"copyright_id":"0x0d93260ca97cc2f11533006e7a0ac7cd374d0a414b341db009ece653c7182057","isrc":"QM6P42498099","name":"House Music - Cedric Gervais 2.5 Remix","registered_at":"2026-06-26T11:26:24Z","spotify_id":"3FXNwQ5Jv3fc9NJaChJMq6","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d93260ca97cc2f11533006e7a0ac7cd374d0a414b341db009ece653c7182057. 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/3FXNwQ5Jv3fc9NJaChJMq6.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/3FXNwQ5Jv3fc9NJaChJMq6.
{"copyright_id":"0xd441a6cfd4fda0e49fbea70155294540d667dea940156507aa1acc1c8fd12b0b","isrc":"QMFMG2304663","name":"House Music - Sharam 2.5 Club Remix","registered_at":"2026-06-28T02:14:30Z","spotify_id":"3Nkht6zv2qRRW2Hte4FyE5","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd441a6cfd4fda0e49fbea70155294540d667dea940156507aa1acc1c8fd12b0b. 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/3Nkht6zv2qRRW2Hte4FyE5.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/3Nkht6zv2qRRW2Hte4FyE5.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08c422cf2aa603850f3c5b1f808deab74c233f43a8e7f2c86a249880e0a9b91e. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5mnbcwYD05FD6MzlIqYmnL.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/5mnbcwYD05FD6MzlIqYmnL.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8802bd4877d6ad9c526553be0ab548e1b307ed2254b64e46a4bf64b6eed9e7d0. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/624OsUC4x3pIHUrKJBSuDC.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/624OsUC4x3pIHUrKJBSuDC.
{"copyright_id":"0xc993a35791da9e976f0eb86e68e5c1fe642a0bac349d365d0849ab43a0836833","isrc":"UKWLG2200078","name":"I'm Good (Blue) - Cedric Gervais Remix","registered_at":"2026-06-05T19:44:29Z","spotify_id":"4PXyBq8CjQ4hsHcHt1OJbf","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc993a35791da9e976f0eb86e68e5c1fe642a0bac349d365d0849ab43a0836833. 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/4PXyBq8CjQ4hsHcHt1OJbf.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/4PXyBq8CjQ4hsHcHt1OJbf.
With All My Heart - Cedric Gervais Remix
{"copyright_id":"0xffca70e4793bb3a82aef4f8a02c44f2190e2e709b47d243fef3670b6953ef463","isrc":"USWB12300950","name":"With All My Heart - Cedric Gervais Remix","registered_at":"2026-06-11T03:49:24Z","spotify_id":"2TOzLOBtIyiTDa5LwSoqEa","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xffca70e4793bb3a82aef4f8a02c44f2190e2e709b47d243fef3670b6953ef463. 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/2TOzLOBtIyiTDa5LwSoqEa.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/2TOzLOBtIyiTDa5LwSoqEa.
{"copyright_id":"0xec508d4a7fb86716550d60655854b0dfd071a7987fa5fc5b26763d1e2b647975","isrc":"GBARL2301301","name":"Desire (with Sam Smith) - Cedric Gervais Club Mix","registered_at":"2026-06-09T13:31:43Z","spotify_id":"4JfrwyU0qTTxMlVYvTrVaW","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec508d4a7fb86716550d60655854b0dfd071a7987fa5fc5b26763d1e2b647975. 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/4JfrwyU0qTTxMlVYvTrVaW.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/4JfrwyU0qTTxMlVYvTrVaW.
{"copyright_id":"0x6c692076d2c84506f5d79ff4173254a8f0c677165e8c1c5687603b3387bef05a","isrc":"GBARL2301291","name":"Desire (with Sam Smith) - Cedric Gervais Festival Mix","registered_at":"2026-06-08T09:06:44Z","spotify_id":"5RNNSy6j2ARA5G9Woj7zNQ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c692076d2c84506f5d79ff4173254a8f0c677165e8c1c5687603b3387bef05a. 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/5RNNSy6j2ARA5G9Woj7zNQ.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/5RNNSy6j2ARA5G9Woj7zNQ.
I’m Good (Blue) [The Complete Collection]
{"copyright_id":"0xc993a35791da9e976f0eb86e68e5c1fe642a0bac349d365d0849ab43a0836833","isrc":"UKWLG2200078","name":"I'm Good (Blue) - Cedric Gervais Remix","registered_at":"2026-06-05T19:44:29Z","spotify_id":"3eVaD5AdEe2vBep3EBT1u8","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc993a35791da9e976f0eb86e68e5c1fe642a0bac349d365d0849ab43a0836833. 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/3eVaD5AdEe2vBep3EBT1u8.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/3eVaD5AdEe2vBep3EBT1u8.
Deep House Hits: Ibiza 2018 - Armada Music
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1309273d18c8bafc63d6b92207984f82aaf32351161c9a0a2c099ea5f2be3d60. 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/5uAroNflA416WbrqnuhdrZ.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/5uAroNflA416WbrqnuhdrZ.
{"copyright_id":"0xdc271efe7e0c64668ae2a39ca2829d1105b41afda07071d672ab116c56055f78","isrc":"UKWLG2200079","name":"I'm Good (Blue) - Cedric Gervais Extended Remix","registered_at":"2026-06-22T16:33:10Z","spotify_id":"5D0i4HAOo3ODZMYLX3Ncyo","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc271efe7e0c64668ae2a39ca2829d1105b41afda07071d672ab116c56055f78. 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/5D0i4HAOo3ODZMYLX3Ncyo.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/5D0i4HAOo3ODZMYLX3Ncyo.
{"copyright_id":"0xdc271efe7e0c64668ae2a39ca2829d1105b41afda07071d672ab116c56055f78","isrc":"UKWLG2200079","name":"I'm Good (Blue) - Cedric Gervais Extended Remix","registered_at":"2026-06-22T16:33:10Z","spotify_id":"7i7eYfLVoKj7zJhrYHt8rJ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc271efe7e0c64668ae2a39ca2829d1105b41afda07071d672ab116c56055f78. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7i7eYfLVoKj7zJhrYHt8rJ.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/7i7eYfLVoKj7zJhrYHt8rJ.
Summertime Sadness (Lana Del Rey Vs. Cedric Gervais) - Cedric Gervais Remix
Last Night A DJ Saved My Life - Cedric Gervais & Second Sun Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8802bd4877d6ad9c526553be0ab548e1b307ed2254b64e46a4bf64b6eed9e7d0. 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/3Hro7EgYFqQtSWlbkOxf87.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/3Hro7EgYFqQtSWlbkOxf87.