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 0x70e2fc4dcb84edc3e48296474bb2fb02e40c589f0d30adce79d526ed14b00477. 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/d21f152a-0e78-4d72-b7a0-50e46cfaf768.json and https://artists.proofprofile.net/proofs/artist/d21f152a-0e78-4d72-b7a0-50e46cfaf768.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Pure Imagination - Oompa Loompa Breakbeat Edit
Pure Imagination - Oompa Loompa Breakbeat Remix
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 0x617c29db2bbd27e6ee64fa2e7f737fc9a262dfc6e3b82f80ba0ab5fed3a2d0b1. 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/448psfafxmNSmJtgNNEgf1.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/448psfafxmNSmJtgNNEgf1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x129548159e458f10af1152b0897a7d5f5e5fb2a4324576bff3ee207e27d94ff2. 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/6k2ILrd00y3tAuV4fzGWJN.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/6k2ILrd00y3tAuV4fzGWJN.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5045b16d622593d77b62424958909db70b129b3114c4952cb2360dce90976a25. 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/62QppHxqK1vHePX0l0IFsH.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/62QppHxqK1vHePX0l0IFsH.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x359b1afff85920531b9933f7b56272b6853d838308835081ac30a976ea78a28a. 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/3huwtL28mkPmUzHEsBu3MK.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/3huwtL28mkPmUzHEsBu3MK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6176ba36a98c5bfc387a9cb44e3c971fe14949a3d61ea4b66742765756e67e7. 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/1wQ9Q7dj4xV8E2nLypOjRr.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/1wQ9Q7dj4xV8E2nLypOjRr.
{"copyright_id":"0x4d8dc6bdba5cb3d52b26e10badbc6a29dbc875eff58b3e6b54e8e494e497f937","isrc":"USA2P1950983","name":"Headspace - blnkspc_ Remix","registered_at":"2026-06-08T03:06:56Z","spotify_id":"6Iw3HjXvAwu7jSwFOTOdtz","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d8dc6bdba5cb3d52b26e10badbc6a29dbc875eff58b3e6b54e8e494e497f937. 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/6Iw3HjXvAwu7jSwFOTOdtz.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/6Iw3HjXvAwu7jSwFOTOdtz.
{"copyright_id":"0x844ef24f479024a452930fb62f54eae4f32fd7dd2da220d0710c924fab0aa157","isrc":"USA2P1950984","name":"Living, Breathing - fantompower Remix","registered_at":"2026-06-09T14:46:12Z","spotify_id":"0ksnx7fpZ4rVJlj690itrd","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x844ef24f479024a452930fb62f54eae4f32fd7dd2da220d0710c924fab0aa157. 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/0ksnx7fpZ4rVJlj690itrd.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/0ksnx7fpZ4rVJlj690itrd.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c10361afb22dcb80382b5d3db1959c67db1dee2612368c6e31616d975d77672. 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/3gN90uDjA0iqDBvcd9UnGO.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/3gN90uDjA0iqDBvcd9UnGO.
{"copyright_id":"0x3eedac39666a2cb4cfcd1b6f86d8178a50c27b65a4c38cb33c80d0b78ddee236","isrc":"USA2P1950986","name":"4:38am - imagiro Remix","registered_at":"2026-06-19T10:50:00Z","spotify_id":"19VdcSGrwKzuVUlgqarUt6","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3eedac39666a2cb4cfcd1b6f86d8178a50c27b65a4c38cb33c80d0b78ddee236. 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/19VdcSGrwKzuVUlgqarUt6.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/19VdcSGrwKzuVUlgqarUt6.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16bfdde8de67a2dcf6d0c1e0ac2b800945648e70949c7d6040916787f66d9676. 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/0B7QJW3X7OaB2HCvG8teF8.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/0B7QJW3X7OaB2HCvG8teF8.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x359b1afff85920531b9933f7b56272b6853d838308835081ac30a976ea78a28a. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3RxuseHhuFEsw47KU8eiYb.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/3RxuseHhuFEsw47KU8eiYb.
{"copyright_id":"0x844ef24f479024a452930fb62f54eae4f32fd7dd2da220d0710c924fab0aa157","isrc":"USA2P1950984","name":"Living, Breathing - fantompower Remix","registered_at":"2026-06-09T14:46:12Z","spotify_id":"6IieliGLubMW0TjfRiacMH","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x844ef24f479024a452930fb62f54eae4f32fd7dd2da220d0710c924fab0aa157. 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/6IieliGLubMW0TjfRiacMH.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/6IieliGLubMW0TjfRiacMH.
Everyday (Far From) - Keenan Mathias Remix
1, 2 Step (feat. Missy Elliott) - Ford's E-Hop Club Mix
Thin Floors And Tall Ceilings - ford. Remix
{"copyright_id":"0xd5ff456a32b327e763ddc336c758f15a765e71ee6296ab6339e424f193372a5a","isrc":"GBCFB1900034","name":"Thin Floors And Tall Ceilings - ford. Remix","registered_at":"2026-06-09T09:17:55Z","spotify_id":"3l48UcyogWNWHp47DSjdt2","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5ff456a32b327e763ddc336c758f15a765e71ee6296ab6339e424f193372a5a. 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/3l48UcyogWNWHp47DSjdt2.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/3l48UcyogWNWHp47DSjdt2.
Lose My Mind (feat. Mr Gabriel) [ford. Remix]
{"copyright_id":"0x186a1cc93e81658125647ae18125017947e51fd6cd7b494ce8e9bee49e6d9a78","isrc":"USQE91600002","name":"Lose My Mind (feat. Mr Gabriel) [ford. Remix]","registered_at":"2026-06-09T17:56:40Z","spotify_id":"27LlTw14HB0tNkiOwNEiyL","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x186a1cc93e81658125647ae18125017947e51fd6cd7b494ce8e9bee49e6d9a78. 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/27LlTw14HB0tNkiOwNEiyL.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/27LlTw14HB0tNkiOwNEiyL.