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 0x6ac2a4e1a8c02e2db2cd367bb919873709ffb8f938b8e2e88bb186cc63d5b050. 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/63f6dfa9-17d3-41ba-b05c-59207bbc8bf8.json and https://artists.proofprofile.net/proofs/artist/63f6dfa9-17d3-41ba-b05c-59207bbc8bf8.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
少女祈祷，夜½：外面已是如此，你还愿意相信魔法吗？
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 0xccfaf96fe42fd0ed35e3a2cb9c622733239da13150988127ce3a1661670b9a59. 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/QZTB42389170.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c8011c4d21fe145a7bd0b0be2ea338b0d3f9a992cbda3b5fd14032ebea435f7. 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/QZTB42389171.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x795a1222090d5f8456a13642219c260f939bb61713bf40f054b47419d8280198. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/QZTB42389172.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46b61f366c43d05e8b1f97e0d27f7aa3dd81d65aafe193487a58c52e5a8613d8. 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/QZTB42389173.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x816a83bad7b669a22e74d5ace86d414cec2a181533efd6fcbcb258490436a46f. 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/QZTB42389174.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66b9ff3d53287351a75a4ac7302cc8f95f079cd6542bbb7f9d4b469559a987b2. 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/QZTB42389175.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x593c6689122aa7623bdb1aaa0c5b42b9d2abc2d5c58865be285d5bcac2494e09. 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/QZK6M2478027.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89df73cf55a01f375dd85ddd48b76abe7c49a4742cc2cab16c9faf06eaf9373c. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/IELOI2180936.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7c960c20b157dfc2d5e565bbb619eb50e9217e714c7bae382b16a3e27d3cfa1. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/QZK6N2119527.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64b8cd07233e782516f1074d216da41f437106f7119daaf9ffd13293b67a6583. 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/QZK6N2119528.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd97861d9d03af0cb5b4012ecfe23678143cf92574034c56c6c4f8827e8386aba. 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/QZPLR2000739.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f9eeac17ddfb260f3325223b2e11845efe2cc6b97e4ea883b10da65221b2d25. 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/QZHNC2474153.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xedd2572dfaedf791e0622016c9f7a39402dcfb70b8b05c4b8c5bcdf1ee41f2e7. 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/QZHNC2474155.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3aca22b73ae0a9e3d46a85bd21739150d541bb235c1d8442a6bead09f66803c. 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/QZHNC2473868.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24d6cb0c8d31f1ad8eaf0729421569af07c226a0745d15147bd1c380790c9fe3. 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/QZHNC2473869.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5db2f30c73aece7b41149454554bf9fcfefdf8d794477442482bc836e8a47e9a. 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/QZHNC2473870.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x005419ba4f6782eb8f58c28c60f743bcb465ce0299bd96fecc2039323cb83b0b. 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/TCJPA2415092.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5952adf345090b46d59af5c83034b47fe7c3fb09e6751e84ed4e1c96931159eb. 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/TCJPA2417671.