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 0xc0aab9c595855d4af5a93c8cdc6a6622514167497f41175ff4f42ddbae2d392b. 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/0e2a0e1e-2590-4ecb-82cb-be7fc6bdd45a.json and https://artists.proofprofile.net/proofs/artist/0e2a0e1e-2590-4ecb-82cb-be7fc6bdd45a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Снова осень проходит скверами (feat. Сантос)
Иней. Снег. Декабрь. Тишина (С. Есенину)
Твоё неровное дыханьe (feat. Асель Баскалова)
Снова осень проходит скверами (Remastering) (feat. Сантос)
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 0x808b526dc0a31da5bfd5509c9e24ea2187c6aca7c7a2529c79b5b9ca6da4b819. 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/21vjLEQmkkvx7xYEQDGNh9.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/21vjLEQmkkvx7xYEQDGNh9.
{"copyright_id":"0xd353b394ab0241282f1f9d3c801ebcfcf0ab2b03fb12da93962d01339412e2fb","isrc":"USWL12404077","name":"La K y la J (feat. Kris R.)","registered_at":"2026-06-04T13:55:41Z","spotify_id":"33WXomaEcsTpggOEpu9iQZ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd353b394ab0241282f1f9d3c801ebcfcf0ab2b03fb12da93962d01339412e2fb. 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/33WXomaEcsTpggOEpu9iQZ.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/33WXomaEcsTpggOEpu9iQZ.
{"copyright_id":"0xdcfc2164a33b018904dfa3a9579ca6e8a4be2432921e67deef842960d00ad412","isrc":"USWL12500557","name":"Los Dueños De La Lleca","registered_at":"2026-06-07T09:26:00Z","spotify_id":"7GAClDjYaIddTGzoM3GYcR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdcfc2164a33b018904dfa3a9579ca6e8a4be2432921e67deef842960d00ad412. 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/7GAClDjYaIddTGzoM3GYcR.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/7GAClDjYaIddTGzoM3GYcR.
{"copyright_id":"0xd353b394ab0241282f1f9d3c801ebcfcf0ab2b03fb12da93962d01339412e2fb","isrc":"USWL12404077","name":"La K y la J (feat. Kris R.)","registered_at":"2026-06-04T13:55:41Z","spotify_id":"3G9pf4UTrmEyz2YamgWKfg","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd353b394ab0241282f1f9d3c801ebcfcf0ab2b03fb12da93962d01339412e2fb. 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/3G9pf4UTrmEyz2YamgWKfg.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/3G9pf4UTrmEyz2YamgWKfg.
{"copyright_id":"0x77dd9cb36f6791fe4a36d87202b9d28d3a6a7484424c7f1bb9e115bea3208820","isrc":"USWL12404078","name":"Plata o Plomo (feat. Jamby El Favo)","registered_at":"2026-06-09T09:32:23Z","spotify_id":"1xOelvXd1mI7OrUlBaYsoQ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77dd9cb36f6791fe4a36d87202b9d28d3a6a7484424c7f1bb9e115bea3208820. 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/1xOelvXd1mI7OrUlBaYsoQ.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/1xOelvXd1mI7OrUlBaYsoQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e8843dd8773d5c8a6339d898480da113b0ce14c6e9fc4b086ee6d4acd28aa8c. 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/2b8BZc8heCCdmHoAYHlAo6.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/2b8BZc8heCCdmHoAYHlAo6.
{"copyright_id":"0x77dd9cb36f6791fe4a36d87202b9d28d3a6a7484424c7f1bb9e115bea3208820","isrc":"USWL12404078","name":"Plata o Plomo (feat. Jamby El Favo)","registered_at":"2026-06-09T09:32:23Z","spotify_id":"5UTD9eptReqvHW6GHUwOqv","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77dd9cb36f6791fe4a36d87202b9d28d3a6a7484424c7f1bb9e115bea3208820. 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/5UTD9eptReqvHW6GHUwOqv.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/5UTD9eptReqvHW6GHUwOqv.
{"copyright_id":"0x7e8843dd8773d5c8a6339d898480da113b0ce14c6e9fc4b086ee6d4acd28aa8c","isrc":"USWL12403589","name":"1000MPH (feat. Pirlo)","registered_at":"2026-06-05T09:53:32Z","spotify_id":"4bOkDLOVwpmUeRhTvrKU6s","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e8843dd8773d5c8a6339d898480da113b0ce14c6e9fc4b086ee6d4acd28aa8c. 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/4bOkDLOVwpmUeRhTvrKU6s.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/4bOkDLOVwpmUeRhTvrKU6s.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0f3eab04f2cfcc5944292b4e8a91c848899950a41f440f1c11689265a83e743. 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/4XhJG1JQGdZDW55l63UKF7.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/4XhJG1JQGdZDW55l63UKF7.