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 0x8d938e655d1a0abb387643081a21606abfb822739cb168069ed6eb081c7703f4. 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/8389821b-e01c-4b2f-aa71-532ca1015e55.json and https://artists.proofprofile.net/proofs/artist/8389821b-e01c-4b2f-aa71-532ca1015e55.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 0x176547c2868c5948062106c707aeb725fe0d9900b2f855c02520a4128bf0ddd7. 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/1gqgKhiVNJUsOltTDLctkC.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/1gqgKhiVNJUsOltTDLctkC.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52bad97c08f53cae7d5dbc499ad2cd17c393e2b70493007cd912d66e49b520ae. 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/2Z2TADHV6pLjTEpROnXJFM.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/2Z2TADHV6pLjTEpROnXJFM.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7cbd28b92145992d204eced1595951ce3390f0c198514436e7ab079a16d282f. 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/0LcEAVijD8EVze6NL3fj0s.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/0LcEAVijD8EVze6NL3fj0s.
City of Starlight (feat. Heleen) [EMKR Remix]
City of Starlight (feat. Heleen) - EMKR Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e36cf7f8f4dbfb04dddd3ae3b99ba15f4f72e3813ef10860d8dc621a1145069. 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/0N2t58h3dZOBN3ooS2ZQ5x.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/0N2t58h3dZOBN3ooS2ZQ5x.
{"copyright_id":"0x5d3db07c82b1a16831fedff642db14426afead6b1bb96f330f4e788c22eed0df","isrc":"NL4VT2100141","name":"Strangers In The Night - Extended Mix","registered_at":"2026-06-21T06:07:10Z","spotify_id":"6PaNYjAIpKvZIU28J843w4","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d3db07c82b1a16831fedff642db14426afead6b1bb96f330f4e788c22eed0df. 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/6PaNYjAIpKvZIU28J843w4.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/6PaNYjAIpKvZIU28J843w4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2523289dd1e1ff612873f590aa0c6b3f095b2915d8d28ffc83a5478b92a0c3d1. 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/2qv4ZK99KlqqXlSfG9i0ya.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/2qv4ZK99KlqqXlSfG9i0ya.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68e2a07c25a83c871a2fb7b9cf55089a52aa806164d6931e2c282f05c6e1fa56. 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/2y9DDWm7kuxoSk4VPu1Spv.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/2y9DDWm7kuxoSk4VPu1Spv.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34dd565b265f73695d28dd43b352081891eba29f8dda3d853e1938fd6ed95857. 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/3EWI64BN6XrlpnV3WIttpF.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/3EWI64BN6XrlpnV3WIttpF.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b09f723d02942d6d8d571fb41d096b1c81efef0197d1828cbd524362a7aabe0. 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/1Ey3jOY10Wl6rrUV6pJq0A.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/1Ey3jOY10Wl6rrUV6pJq0A.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3272e69c44b544e69c6e6a221f2122d666bc92a127d56c787a428b959705c4b. 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/0oCZjaMy0WT7qn0lQPNcFY.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/0oCZjaMy0WT7qn0lQPNcFY.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5039f6cb06b918f63b3e756363eee7547479aa389d58df0e1cefe796072f6c15. 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/4Aq6lMUIKr6E1kSTsyyh5c.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/4Aq6lMUIKr6E1kSTsyyh5c.
{"copyright_id":"0x9ade30f74b5ae837f74ac03f05541dc6fcfeb50f8a32f437b90f7a4ac4ced2df","isrc":"GBLV62025327","name":"Let Go - Radio Edit","registered_at":"2026-06-07T21:32:52Z","spotify_id":"1M0RDply8ZgFUIN9dEPLhH","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ade30f74b5ae837f74ac03f05541dc6fcfeb50f8a32f437b90f7a4ac4ced2df. 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/1M0RDply8ZgFUIN9dEPLhH.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/1M0RDply8ZgFUIN9dEPLhH.
{"copyright_id":"0x4dfd8af1af4491aae25662ec5502457cc7d43edf0431dd4e3e8611d6a9028227","isrc":"GBLV62025328","name":"Emergency Alert - Radio Edit","registered_at":"2026-06-08T05:13:03Z","spotify_id":"5UaehQLWBEofMiUDHHrNjL","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4dfd8af1af4491aae25662ec5502457cc7d43edf0431dd4e3e8611d6a9028227. 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/5UaehQLWBEofMiUDHHrNjL.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/5UaehQLWBEofMiUDHHrNjL.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf12b5ae9050e080b223d4617fad9a673b1787d19601baab56a614d87eadf6c4b. 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/72XDuyHWfJqT1yRNRUEjB0.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/72XDuyHWfJqT1yRNRUEjB0.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d483ea618a66fff706b0d29b33e7b93dcb9105437498aa5a81bb7ccbb2eb9d1. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T19:54:40Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4KwpwpZVITQgO55e5xifHj.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/4KwpwpZVITQgO55e5xifHj.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7984435e485c3ca5374756d3f7b6fe20e159936933da31b7866d9c96aad24737. 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/3CJB5NGAqcHU4JUtTgdhBM.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/3CJB5NGAqcHU4JUtTgdhBM.
Spacebound (Quartzo Records Miami Sampler 2019)
A State Of Trance Year Mix 2022 (Selected by Armin van Buuren)
{"copyright_id":"0xcbb92d44dc023380362e1d4f9bfa0281c6abf8ff55bbb1cfb8398a8266327fa9","isrc":"NL4VT2100140","name":"Strangers In The Night","registered_at":"2026-06-09T09:00:10Z","spotify_id":"6IT0rc3HbqWkx6HCIM9BoI","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcbb92d44dc023380362e1d4f9bfa0281c6abf8ff55bbb1cfb8398a8266327fa9. 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/6IT0rc3HbqWkx6HCIM9BoI.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/6IT0rc3HbqWkx6HCIM9BoI.