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 0xbff26fc718f7f2dea7b68eebbc99d6f24e13a8cbdca39fbaef97e47823e139d5. 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/b3489c14-41cc-4d8e-a7df-aa86980dfa0a.json and https://artists.proofprofile.net/proofs/artist/b3489c14-41cc-4d8e-a7df-aa86980dfa0a.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 0x812f8231d40692cac54a4e4eb953de3ab5dd730acdabdd5251111fd0e0e334c2. 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/5W4hN9QuLKyWv356TguQ8i.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/5W4hN9QuLKyWv356TguQ8i.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x830b1a147ad8bb7b09629f115e5bfd15e3fcf0196c1641d35b500f4e958c57af. 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/6Cnj9gUbIrhkMAsKKv4qkg.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/6Cnj9gUbIrhkMAsKKv4qkg.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x750804b6c0e7c3a1f8e88920de4c301b6413914fc4e76c4fdb99be5ade76a622. 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/1XaIQ8HZtqaujZn3F70MaK.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/1XaIQ8HZtqaujZn3F70MaK.
{"copyright_id":"0x521313e0ccaf6b3ba62fc478d5d7769a048e5890af7f1c2a39d71321a1b556f7","isrc":"DEEC31810473","name":"Around - Dixon Re-structure","registered_at":"2026-06-04T16:16:09Z","spotify_id":"3R0PBZGBL7YSTgmSYG1anY","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x521313e0ccaf6b3ba62fc478d5d7769a048e5890af7f1c2a39d71321a1b556f7. 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/3R0PBZGBL7YSTgmSYG1anY.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/3R0PBZGBL7YSTgmSYG1anY.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9698d69537073d610bf3646c156cec926106b210877553b90340770dacc4ccbe. 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/6GLd6JvbElOQByOLobYao5.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/6GLd6JvbElOQByOLobYao5.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x430f0468db3acbd63d28bb583b4e001f133872e8ef0171b781d74bc64a35a377. 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/3wLOypLdLw1SGdbEUmivEj.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/3wLOypLdLw1SGdbEUmivEj.
{"copyright_id":"0xfe25d6c13ed0be29ca98216fc7abfa3f2925e1010fae8f94fcf5947b3e245ec4","isrc":"DEUE12397619","name":"One Way","registered_at":"2026-06-08T22:34:15Z","spotify_id":"3V0AtDnWpKc5m9ZSxGNkiv","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe25d6c13ed0be29ca98216fc7abfa3f2925e1010fae8f94fcf5947b3e245ec4. 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/3V0AtDnWpKc5m9ZSxGNkiv.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/3V0AtDnWpKc5m9ZSxGNkiv.
One Way - Nandu - Cutting the Corner Remix
{"copyright_id":"0xe8bbc31d84579e5186383d81f5211a79c4c9500627833633592a22c84cbbaee0","isrc":"DEEC33500833","name":"In The Line To Loneliness","registered_at":"2026-06-09T12:28:49Z","spotify_id":"1beVIiTTEXMsThkWr2gzbG","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8bbc31d84579e5186383d81f5211a79c4c9500627833633592a22c84cbbaee0. 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/1beVIiTTEXMsThkWr2gzbG.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/1beVIiTTEXMsThkWr2gzbG.
{"copyright_id":"0x0d546d82ce1946696258059a8860b5ce9ee3b1a70d3e71029c57adda1a116dbf","isrc":"QMBZ92268760","name":"One Love - Nandu Remix","registered_at":"2026-06-27T08:19:55Z","spotify_id":"3jlbvbUItBBAWAjnnnc8sW","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d546d82ce1946696258059a8860b5ce9ee3b1a70d3e71029c57adda1a116dbf. 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/3jlbvbUItBBAWAjnnnc8sW.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/3jlbvbUItBBAWAjnnnc8sW.
{"copyright_id":"0x7b50971d81f93c9a99d0715832bdddf21a6224b9d72638bd5bf5cc8efa308c06","isrc":"GBJX32005053","name":"Nothing Has Changed","registered_at":"2026-06-18T21:53:09Z","spotify_id":"5HwKsg06QucaTvRJQ6L32r","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b50971d81f93c9a99d0715832bdddf21a6224b9d72638bd5bf5cc8efa308c06. 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/5HwKsg06QucaTvRJQ6L32r.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/5HwKsg06QucaTvRJQ6L32r.
{"copyright_id":"0xba9d5c1d24eb6afcd2bf8913545f3fe5f3e1521242d63ae4d18b8a3f1ec25aaf","isrc":"DEEC33500304","name":"Hollow - Nandu Early Morning Mix","registered_at":"2026-06-26T19:41:15Z","spotify_id":"3sU12jYun7YmaWOOT90rTC","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba9d5c1d24eb6afcd2bf8913545f3fe5f3e1521242d63ae4d18b8a3f1ec25aaf. 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/3sU12jYun7YmaWOOT90rTC.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/3sU12jYun7YmaWOOT90rTC.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7251d3a8c78f3a8627ca3a820515b83855d24e8761e558a5d92a5f0f5d3172d3. 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/2d23ZmyKjejkk66xdm9o0p.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/2d23ZmyKjejkk66xdm9o0p.
Nayine Oo - Nandu Late In The Evening Mix
{"copyright_id":"0x05b48b538d13fa698551ab71d28fe00a87ca964a789bcf223e928c15372500cf","isrc":"ITFGO2000030","name":"Nayine Oo - Nandu Late In The Evening Mix","registered_at":"2026-06-11T01:16:17Z","spotify_id":"4aI9CMkLkjtcwYkj7i3reH","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05b48b538d13fa698551ab71d28fe00a87ca964a789bcf223e928c15372500cf. 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/4aI9CMkLkjtcwYkj7i3reH.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/4aI9CMkLkjtcwYkj7i3reH.
We Are The Way For The Cosmos To Know Itself
Out Of Doubt - Nandu Early Morning Dub Mix
Child Of A Child - Santiago Garcia Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf07e4c3e625035f163f4760d56d3bd65f4a333758d77fb6293f2f97c70acc0a1. 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/0c61iOnlEq1LPWfHdRQqqU.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/0c61iOnlEq1LPWfHdRQqqU.
When The Interlude Sounds Like Falling Rain
{"copyright_id":"0x45e8b7e6a17456cbba25728a4d6b5d90898bbf52f967f585081b025d1c8b95cd","isrc":"DEEC31810087","name":"When The Interlude Sounds Like Falling Rain","registered_at":"2026-06-09T03:06:10Z","spotify_id":"5lWVqc9kPplvlDmLtFls02","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45e8b7e6a17456cbba25728a4d6b5d90898bbf52f967f585081b025d1c8b95cd. 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/5lWVqc9kPplvlDmLtFls02.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/5lWVqc9kPplvlDmLtFls02.
Forget Our Love - Bruce Loko Afrikan Techno Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc69b1c5977232bd74ee09fe8fa92a26526f18de49b8010f11446fa19a23ce66e. 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/2mmtvJi3h43REnrGm1D3HM.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/2mmtvJi3h43REnrGm1D3HM.
Viciously Searching for Another Dimension - Mixed