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 0x7b45387ea7e3860181600c027d1a5f40aa5dd5648366030e69b8c8360f4dd535. 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/89f4d60c-8bcf-4969-91c6-0c4fc9d7e1ba.json and https://artists.proofprofile.net/proofs/artist/89f4d60c-8bcf-4969-91c6-0c4fc9d7e1ba.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 0xa7a69ff3dccd2b1a60cc6ea2e2dc4e282444154f704996846cc443143308c872. 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/4a1RKKRoaTKBoUBe28pnsw.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/4a1RKKRoaTKBoUBe28pnsw.
{"copyright_id":"0x4afa2abab0c2eece30001d98b5e614cb7a7c99cdc11d4ede6f8d6b195290bf86","isrc":"FR10S1910711","name":"мыльные пузыри - Acoustic demo","registered_at":"2026-06-29T14:35:12Z","spotify_id":"2WwVkCPtvDa2UUpG8Ijt7M","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4afa2abab0c2eece30001d98b5e614cb7a7c99cdc11d4ede6f8d6b195290bf86. 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/2WwVkCPtvDa2UUpG8Ijt7M.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/2WwVkCPtvDa2UUpG8Ijt7M.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7a69ff3dccd2b1a60cc6ea2e2dc4e282444154f704996846cc443143308c872. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5uCE36YZYWXzMWeWDXLqq5.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/5uCE36YZYWXzMWeWDXLqq5.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf33ea1e147894180265c061f663558a5a80a1dd7e67476105c6d3f4264fdab3. 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/7sSW9oSDUY8BTtKUCozVbO.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/7sSW9oSDUY8BTtKUCozVbO.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf33ea1e147894180265c061f663558a5a80a1dd7e67476105c6d3f4264fdab3. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/66NdiVAVvFlpXNibibt9FV.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/66NdiVAVvFlpXNibibt9FV.
{"copyright_id":"0x7c70e147aebd28e3f42c023bbc9d9fd84635a07a1dcd67a577fd1215bb9e76d3","isrc":"FR26V2047847","name":"Абсолютно чёрное тело","registered_at":"2026-06-29T14:32:48Z","spotify_id":"1TnJg2G1DJNL2AG2nteJaV","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c70e147aebd28e3f42c023bbc9d9fd84635a07a1dcd67a577fd1215bb9e76d3. 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/1TnJg2G1DJNL2AG2nteJaV.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/1TnJg2G1DJNL2AG2nteJaV.
докучные сказки докучные сказки докучные
звёзды все принадлежат богам - ПОСТСКРИПТУМ "ГЕОМЕТРИЯ ТЬМЫ"
ПРИТЧА ВО ЯЗЫЦЕХ ИНТРО - "ГЕОМЕТРИЯ ТЬМЫ"
ВРЕМЯ И КАМУШКИ АУТРО - "ГЕОМЕТРИЯ ТЬМЫ"
в ад только перед тобой в рай только после тебя
{"copyright_id":"0xcbdf587708ad754debfcbeede00f4e27b125fa99e6bbb24748d6f5f7e39f701d","isrc":"FRX201831139","name":"В порядке","registered_at":"2026-06-24T20:34:23Z","spotify_id":"2PjTMVz6SLKnb8yFwo5zdE","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcbdf587708ad754debfcbeede00f4e27b125fa99e6bbb24748d6f5f7e39f701d. 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/2PjTMVz6SLKnb8yFwo5zdE.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/2PjTMVz6SLKnb8yFwo5zdE.
Короли Абстракта VI - Мультивселенная ЕЖЕ
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1fac1ca628054a9ce2275ff2e581b370bc5a66c29b0c883d4ac458208edb730. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2sBg5WLSi0lFBGmFOsDG5J.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/2sBg5WLSi0lFBGmFOsDG5J.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a6896bbf52ed0f17ca891863ffd8bdb8c93f9c62675521d56df7cf4ef0ed309. 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/2xveNL6UYB0RSppv9kKAYI.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/2xveNL6UYB0RSppv9kKAYI.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca419eb758eb007a9b844d69cac9958482b39a4263d9cce69e2ac034bc121c45. 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/490kPmBjN03gpUciyCKZ7D.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/490kPmBjN03gpUciyCKZ7D.