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 0x8608f2cc16ee85341183b760f0b9d4da5950f79c35e536725041c6da3b0a17fb. 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/a9a1ae26-481a-493e-97a4-be70a69ff05d.json and https://artists.proofprofile.net/proofs/artist/a9a1ae26-481a-493e-97a4-be70a69ff05d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x24c35ca8420cc21ab042eab0671aca586c5c1b6bf71e59ce9ab712a4739d9b0e","isrc":"BEIW12100362","name":"Pink Soldiers","registered_at":"2026-06-20T11:04:53Z","spotify_id":"4e1lQgAXiCp5oA2GjYGTTF","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 0x24c35ca8420cc21ab042eab0671aca586c5c1b6bf71e59ce9ab712a4739d9b0e. 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/4e1lQgAXiCp5oA2GjYGTTF.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/4e1lQgAXiCp5oA2GjYGTTF.
{"copyright_id":"0xf7aa10bf6c3d21672feda2c31f3ff49d79c7c9e2cf739bddac68febac21cb277","isrc":"BEIW12200571","name":"Englishman in New York","registered_at":"2026-06-05T12:28:14Z","spotify_id":"2PcFJHmcVWAOOMNJ8efRk0","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7aa10bf6c3d21672feda2c31f3ff49d79c7c9e2cf739bddac68febac21cb277. 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/2PcFJHmcVWAOOMNJ8efRk0.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/2PcFJHmcVWAOOMNJ8efRk0.
{"copyright_id":"0xe5667e6cb5ef6863a7786d68a297645e5ee7b2e22915183e2ff5b98b68bad7a2","isrc":"BEIW12200393","name":"Somebody to Love","registered_at":"2026-06-05T13:42:54Z","spotify_id":"5j5tLZu7qaGhAEHlkyqCAf","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5667e6cb5ef6863a7786d68a297645e5ee7b2e22915183e2ff5b98b68bad7a2. 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/5j5tLZu7qaGhAEHlkyqCAf.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/5j5tLZu7qaGhAEHlkyqCAf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa26024bfb9558dbfb4cf5527bb65e62e7e4d71a6e0a2160bdf010a6eeb320b27. 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/4BPSMsa9rjvFnMx2c0iGgH.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/4BPSMsa9rjvFnMx2c0iGgH.
{"copyright_id":"0xf51d6d58a3f9572c42a301c42982eccedf6975937159a6313d88ef1df0488726","isrc":"BEIW12100126","name":"2 Times - Dimitri Vegas Edit","registered_at":"2026-06-04T10:20:05Z","spotify_id":"1li9dnoGWQqxacfEojskoh","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf51d6d58a3f9572c42a301c42982eccedf6975937159a6313d88ef1df0488726. 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/1li9dnoGWQqxacfEojskoh.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/1li9dnoGWQqxacfEojskoh.
{"copyright_id":"0x2b3866dd935ccd92b1b38e54e95c472f14dc23a9dfa131af5df74cf5523570de","isrc":"BEG852100030","name":"Save Your Tears","registered_at":"2026-06-21T08:39:26Z","spotify_id":"4gp9zW2hFXj6VVCHFXhamC","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b3866dd935ccd92b1b38e54e95c472f14dc23a9dfa131af5df74cf5523570de. 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/4gp9zW2hFXj6VVCHFXhamC.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/4gp9zW2hFXj6VVCHFXhamC.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0517eaa854373ab3bdd22c369d7f9050bb56489ea73236ae330bbd993f70539a. 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/7DGCOpy7cbvPeuRK2AQ8OA.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/7DGCOpy7cbvPeuRK2AQ8OA.
{"copyright_id":"0x4e2157f304bf0cbe91480398ba51eaf50b0af7e42f3914c23dd86c88398d3618","isrc":"BEG852000041","name":"Ayo Technology - Dimitri Vegas Edit","registered_at":"2026-06-04T14:18:05Z","spotify_id":"6A1CXveAYSTsfX9l86pEbd","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e2157f304bf0cbe91480398ba51eaf50b0af7e42f3914c23dd86c88398d3618. 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/6A1CXveAYSTsfX9l86pEbd.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/6A1CXveAYSTsfX9l86pEbd.
{"copyright_id":"0x7de102bb3794c413976634fa80b01697adde72e1d38af25bb6a3cf1113cdfe25","isrc":"BEG852000029","name":"Show Me Love - Dimitri Vegas Edit","registered_at":"2026-06-04T15:49:06Z","spotify_id":"0W7RIKVUEj307xe1zYIgqx","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7de102bb3794c413976634fa80b01697adde72e1d38af25bb6a3cf1113cdfe25. 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/0W7RIKVUEj307xe1zYIgqx.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/0W7RIKVUEj307xe1zYIgqx.
Christmas Time - Dino Warriors X MATTN Remix
Home Alone (On the Night Before Christmas) [Deluxe Version]
{"copyright_id":"0xf2559c96eaa07289bb11b441dba4575a5a890c4c989673e88211d5ff3a179e87","isrc":"BEIW12000524","name":"Christmas Time - Dino Warriors X MATTN Remix","registered_at":"2026-06-21T05:35:00Z","spotify_id":"2eacDAaCgFjqCYdbngLnOi","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2559c96eaa07289bb11b441dba4575a5a890c4c989673e88211d5ff3a179e87. 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/2eacDAaCgFjqCYdbngLnOi.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/2eacDAaCgFjqCYdbngLnOi.
Christmas Time - Dino Warriors X MATTN Extended Remix
Home Alone (On the Night Before Christmas) (Dj Mix)
{"copyright_id":"0x3efc5fa39509f8a262930dafd045f72fef5fb2eeb3f0b5896b9fb878de12719a","isrc":"BEIW12000474","name":"Last Christmas - Mixed","registered_at":"2026-06-09T07:28:47Z","spotify_id":"5IUeYpJTWaayIHv8v6g6F1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3efc5fa39509f8a262930dafd045f72fef5fb2eeb3f0b5896b9fb878de12719a. 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/5IUeYpJTWaayIHv8v6g6F1.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/5IUeYpJTWaayIHv8v6g6F1.
{"copyright_id":"0xf7aa10bf6c3d21672feda2c31f3ff49d79c7c9e2cf739bddac68febac21cb277","isrc":"BEIW12200571","name":"Englishman in New York","registered_at":"2026-06-05T12:28:14Z","spotify_id":"2dlIjiv0vQfzq1hZlepNPj","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7aa10bf6c3d21672feda2c31f3ff49d79c7c9e2cf739bddac68febac21cb277. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2dlIjiv0vQfzq1hZlepNPj.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/2dlIjiv0vQfzq1hZlepNPj.
Home Alone (On the Night Before Christmas)
{"copyright_id":"0x3efc5fa39509f8a262930dafd045f72fef5fb2eeb3f0b5896b9fb878de12719a","isrc":"BEIW12000474","name":"Last Christmas","registered_at":"2026-06-09T07:28:47Z","spotify_id":"0KdzqY5vvgUsu8ae18hLf7","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3efc5fa39509f8a262930dafd045f72fef5fb2eeb3f0b5896b9fb878de12719a. 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/0KdzqY5vvgUsu8ae18hLf7.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/0KdzqY5vvgUsu8ae18hLf7.