1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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 0x9afbdb15f7b088293c074aee933e4f3d0a1ac5fc723baa2f09d8c128fc42abc8. 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/981c16ca-b7bb-4846-b439-1e736aa68fb9.json and https://artists.proofprofile.net/proofs/artist/981c16ca-b7bb-4846-b439-1e736aa68fb9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b1bb69449705d53acc8a73f9b235af0fbf9ea38b5dca4c7cd1d6677c72eb14a. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR10S2592833.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69324c50fb2928309d0d342a0ef373cc6d41f834946cfc5fdb2a5a1b5e208e14. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR10S2592925.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa685c77c51267e139b6e5376185cb447f81117a514a11dde4d4e0ad03ac952a8. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR10S2527331.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7cf73fe49c7c273d4a9f7dbc8374923aa6d549a085c31bec03b93b767e3255ab. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR10S2523877.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e1fbc73ef3c889240aeb7d48d271753ec30ef8fbe02c8d0f29b3678b46e7c82. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR10S2512860.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa5d8c980faae27aede03f6035d892e8ff95de54a06b260cb5d9702d7e6a51b9. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DGA0S2496080.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11bbe3a5985c0f0c01aeef099671016b6f29f81ae468d4150443d5c77ab2125f. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DGA0S2491660.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc768457a0e37072d7fe313952ffd9f2381c254f4dc518cc09ed75aedf524dc8c. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DGA0T2428515.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xddc4b57f2350ece4f54f004ef058b3bf5dcf6733e7c4a38c537b1509e942102a. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DGA0T2406106.
大风吹倒梧桐树 - +一句好男儿志在四方
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52804cacbdfee8728d78f5f2757916ec7062d8559591ff66615244f704fcce0b. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DGA0T2406107.
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb356f88aa8775ad4781f793ec07312a4be04089841b3085f4bb033f5a482e336. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DGA0S2437192.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b965438fcdc915b83db63d29f32746a30ce24f471cec87e0e35f7b1ce90720b. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QNSM12400762.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf063ea36f1a794ae081c7c986f7c54790a977db3bb0a351b56fbebe5152ce57b. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DGA0R2470790.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54f697b29e165a798f1bcaded3178e6f4c0b4ed1abaaeac363346860bfaf69fa. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DGA0Q2407842.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa697c96ff8aa5440ca919b7a66476a67ef1f9b6dcbf3cd0bac56e7e428e748e4. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZWFT2547248.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ad91a7e8cc07cee1b506197c798553a49fb5ef2b1bd9c3188669e8819019729. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZWFT2544618.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba24830038f77cf2836bbc1a417bb34cbc31e3e92a84b5148ef661a18e673b39. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZWFQ2546206.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a645e50d0b501f5cf0f9a5f9944ae848a613d98d9f91ccd0764d33e23a5c554. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZWFQ2546207.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x197ceecf3b0ecaca25b48c6d80469e3adb4478212a613a7f002960b8bc15a525. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX762542459.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2543fad0b13fd7cae60c30597b93fc06417055117a42ca47eeba59f41ab6424. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX762507826.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb906e2e5f3cb148f2e48d4491467b179e862014bcb5b2924ee54e8b29f98feea. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX762502174.
大风吹倒梧桐树 (我不相信什么大风吹倒梧桐树)
大风吹倒梧桐树 - 我不相信什么大风吹倒梧桐树
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5de4ec0d95e5bd1b3bfeba4026eec3438ebd106ace1ffe03807c9dde24019c2. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX452531559.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91c6a8fe651064bfd8798131f1759ee0ccf7af2e9ddc4714701a0e2a81ef8e26. Chain 2 (Bitcoin): anchored in block 957026 (2026-07-07T11:02:43Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX452519366.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2774b9600f6f8489e65e4dbc1bee312522c5f4d51a17704151d21a34c3a1a2d. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX452507158.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x892c285c164a6f55dbef745d7acdaddd6416800f237b6310cca89857ed2edf19. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX282565176.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e1c9ef9c16cba8b71ccd3b2fd262d2343ffa2dd304d810956b6f99ab852f3d3. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR96X2556515.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0bdc1012b3860b8cc5bb93e77668b35306e9346f31fbb105357d3b72939cc104. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR96X2556516.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x596be570a15be29e3d5c438a974dc7d7daa978ddd9f30ae51d2345154e5e0854. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR96X2583262.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff6dd6bc7f05cf1d0b4b6cbe7c003b8e4bb0b09fdc14870b81142dc16239dc6a. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR96X2583263.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x680a2fd73257427672b659faf54abd277cad630f2caf5b1656791abcfc0953cb. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR59R2571890.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ba55228e0af1cb89a82e2111f770e2cd18877c3454ca1731466eb159144432f. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR59R2571891.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x484d37dd35a829d42f191016e87baeff1a14e3a5347de86c65566778c1b81ecc. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR59R2501414.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x369a38821592b4c0eaf78f511a028e56d9a36cb5633bcdf9b0fd72c7c45204fc. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QT3T42513543.