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 0xdf5b5df4d296f8c2c5bf6ee8015e8180c67a83dcd7563e3ad8bf8033db6242eb. 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/64beec08-a5ec-404d-b529-e25077f7f663.json and https://artists.proofprofile.net/proofs/artist/64beec08-a5ec-404d-b529-e25077f7f663.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 0xa09a94cccdd004132408723f0212f781e5c15e7d7b1713bcc1666e58ecf39229. 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/33bbCXbwV5pgI2EZKSJ9yG.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/33bbCXbwV5pgI2EZKSJ9yG.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ee6d3468d57e7475d7d5e6488f1d1093fb986c2ca2e1bf23d952915677c1ad8. 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/0CmGYvPBrNhGT81SEsXbcb.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/0CmGYvPBrNhGT81SEsXbcb.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6954e0485ec028d64b02f675bb75bf5d78464d8b8a6336705dd0d3f50d80d497. 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/2PhxeGtiO3a8Acv58q2xyX.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/2PhxeGtiO3a8Acv58q2xyX.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf49e21a23fe769c48cb5805a68add621dc694416f982b9416150ba39034b331c. 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/0auIZkuJPiYd1p1v4gVam7.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/0auIZkuJPiYd1p1v4gVam7.
Let's Go (Kristian Nairn x Unterberg Remix)
Let's Go - Kristian Nairn x Unterberg Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8774c276f5a1087b8422021e5ac176dc2cbda3785c52f951e2b37b011a5cac9. 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/0104sIQMZgxXypN1oYEA0e.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/0104sIQMZgxXypN1oYEA0e.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf49e21a23fe769c48cb5805a68add621dc694416f982b9416150ba39034b331c. 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/6asi2bacnP0kthncQL0Vu5.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/6asi2bacnP0kthncQL0Vu5.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4ef8a9e62b30649b9c49a36a677c30691e2a3d989957c98d25d3446ea404440. 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/6q9k1wjoN17412On5wvrrz.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/6q9k1wjoN17412On5wvrrz.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf49e21a23fe769c48cb5805a68add621dc694416f982b9416150ba39034b331c. 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/77HVPb0YpAnuBW0LHvw7iW.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/77HVPb0YpAnuBW0LHvw7iW.
{"copyright_id":"0xb2ee79a064454ebe9ef1508abc90147fd48d92d4b9f8d39d7734aff43ba5c999","isrc":"QZA742318886","name":"Everyday People - Viot Remix","registered_at":"2026-06-17T05:28:35Z","spotify_id":"2qcQMGTDyFKGjmZ7XZFyRS","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2ee79a064454ebe9ef1508abc90147fd48d92d4b9f8d39d7734aff43ba5c999. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T20:37:54Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2qcQMGTDyFKGjmZ7XZFyRS.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/2qcQMGTDyFKGjmZ7XZFyRS.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b893b9e372e67730294bfa9c9ad1222f63380dbf0fe06cdbf246943f9bc0257. 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/75cMXGCxqmHW8dwdsHYmmV.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/75cMXGCxqmHW8dwdsHYmmV.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b893b9e372e67730294bfa9c9ad1222f63380dbf0fe06cdbf246943f9bc0257. 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/68FsnsTl1yNJKX8RYgbcMy.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/68FsnsTl1yNJKX8RYgbcMy.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf49e21a23fe769c48cb5805a68add621dc694416f982b9416150ba39034b331c. 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/5U2xGiZd2Czaf2IyDrTV9y.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/5U2xGiZd2Czaf2IyDrTV9y.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c2341c7836f7169d3c6968f24be6e310835e5ba46390f8f27682310094fb11b. 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/63uUbh2wl4FYvzLdOKJ8nq.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/63uUbh2wl4FYvzLdOKJ8nq.
{"copyright_id":"0x151abf687a1d79c42505803fb7b9f7650a8ab7e5a79a5cd8fd75879c03d0a3dc","isrc":"GBLV62214511","name":"Lately - Terrace Mix","registered_at":"2026-06-25T08:28:51Z","spotify_id":"4RwDx42efycuYlLAmQXHu2","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x151abf687a1d79c42505803fb7b9f7650a8ab7e5a79a5cd8fd75879c03d0a3dc. 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/4RwDx42efycuYlLAmQXHu2.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/4RwDx42efycuYlLAmQXHu2.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec49168cd0882e6b245a82a1f03da2d997c4be0a9535a9e6244f57e39dcf2f63. 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/5Ka8WHqmByEYmv5FUBuZAX.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/5Ka8WHqmByEYmv5FUBuZAX.
{"copyright_id":"0xbeab36f4a52444e7f8fa39651ba99163c2b2a2fd2ca006e248ddbbcf6ae08977","isrc":"GBK6Y2219901","name":"Dance Lapse","registered_at":"2026-06-09T23:38:42Z","spotify_id":"5hEzA6InxHAiOui2P2HUao","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbeab36f4a52444e7f8fa39651ba99163c2b2a2fd2ca006e248ddbbcf6ae08977. 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/5hEzA6InxHAiOui2P2HUao.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/5hEzA6InxHAiOui2P2HUao.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7163101667dcc1d6d07d1ee0a0b8764634b86479c172ea725b7f8509c1630ea2. 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/2jrYQSzTHm4fZSYSF0GQXb.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/2jrYQSzTHm4fZSYSF0GQXb.
{"copyright_id":"0xf4cb74a55f2029e88abac8c78877f139096edb6f794609aaa1e25a1be846a539","isrc":"GBK6Y2219904","name":"Footsteps In The Dark","registered_at":"2026-06-21T15:29:26Z","spotify_id":"7JcCw7FWZJvzOOKPTJpaDj","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4cb74a55f2029e88abac8c78877f139096edb6f794609aaa1e25a1be846a539. 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/7JcCw7FWZJvzOOKPTJpaDj.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/7JcCw7FWZJvzOOKPTJpaDj.
{"copyright_id":"0xc229cc789c1843fda003efc386121427d3eee9758d3d3e6362ca4afb5ba434cf","isrc":"QMDA62233462","name":"Booze & Pills","registered_at":"2026-06-11T01:09:21Z","spotify_id":"4mtAJtZzd7wgjLNBpPv4IU","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc229cc789c1843fda003efc386121427d3eee9758d3d3e6362ca4afb5ba434cf. 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/4mtAJtZzd7wgjLNBpPv4IU.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/4mtAJtZzd7wgjLNBpPv4IU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23fbc063f3299b449af5d92e2373093db8eecc50046e2f92bececa74af2aad6b. 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/702TT2q83VQlC75h807I1J.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/702TT2q83VQlC75h807I1J.
Out of Tune - Prok & Fitch Extended Remix
{"copyright_id":"0x5ab41cba26df782e9f33f6cc68190dc5190794fcd496946bdaa634cf8c6d2378","isrc":"ES7842028238","name":"Got Groove - Simone Liberali Remix","registered_at":"2026-06-08T10:30:52Z","spotify_id":"2PqENOEspHvrqdJ4OqncdP","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ab41cba26df782e9f33f6cc68190dc5190794fcd496946bdaa634cf8c6d2378. 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/2PqENOEspHvrqdJ4OqncdP.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/2PqENOEspHvrqdJ4OqncdP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4a861f468a75c701570369d08a58edc174245fceefcabed401c88349ab48087. 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/0vN6p8shZz3P9BbfzobvdN.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/0vN6p8shZz3P9BbfzobvdN.
Redlight - Nothing But Funk Instrumental Mix
Redlight - Nothing But Funk Radio Instrumental
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96cc422a99890c2d2ee2e32463fef93698b5920a5c1fe8d182d4b6f4ea278523. 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/7a3tA35KrvB9r4Sl7W8Pfz.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/7a3tA35KrvB9r4Sl7W8Pfz.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0467fe4e417c45a8d853502b399650be4079c726c9dc794343a4fe9d11043d8f. 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/4XrRgzndbGCUpr866jRBkv.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/4XrRgzndbGCUpr866jRBkv.
Armada Deep House Selection, Vol. 8 (The Finest Deep House Tunes)
{"copyright_id":"0x7e470fa3bfec2b78404cd89023ee4a95fa97299aaed47015b9b6425eca3bd829","isrc":"NLF711505134","name":"One Of These Days","registered_at":"2026-06-21T23:39:01Z","spotify_id":"7HUnL3ZPpcv8yhWlAqZ04L","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e470fa3bfec2b78404cd89023ee4a95fa97299aaed47015b9b6425eca3bd829. 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/7HUnL3ZPpcv8yhWlAqZ04L.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/7HUnL3ZPpcv8yhWlAqZ04L.
Armada Subjekt Amsterdam Sessions (Mixed By Francisco Allendes)
Toolroom Radio EP346 - Presented by Mark Knight