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 0x78147f160148430b7e68a743b489000b22a48fdc52bdef4575de562133a8c8e0. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/5a4533b0-d3e3-4fb2-bb40-fe04d7f192dd.json and https://artists.proofprofile.net/proofs/artist/5a4533b0-d3e3-4fb2-bb40-fe04d7f192dd.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 0x51667b097804ca31d0719ac68e29ecc83c5adb73358227cf051ee97f9b6538bc. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/TWB511382201.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3e0b42e29680bcb941cfb52bf55666592cab6d92d6421eca635cb8b53327e88. 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/TWB511277202.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb648b111979f72ed5cb19354b5c912928ff514e070064d2e9b482d967703e664. 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/TWCO31700003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaff78f71abe47b1f18b7beffec7bc0b24afa6143d7a8f1dd6cce5b068878a58d. 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/TWCO31700009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc517aaab6c78ec3168090da9576cf0fffee19218f67fc17a69e89434c0a2d01. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/TWB511588802.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78a501e5c501e679aa364314e7b46ff6e85bb67f7fc643a7bbbb94fde2fb2a79. 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/TWB511588803.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7f75a869b9abd57f6f97a67e76587e28ac8873b99b42ef2959c228964b454ac. 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/TWB511588804.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0adbc7ed7e46a39bf7695fadee0fec8c052a321e40da20da5ad9b6641df424d8. 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/TWB511588805.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3c2593415352814708708c9589935e9db52243a4a72901568fbe9bafa7bb9a2. 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/TWB511588806.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b79b38ea8da0c44aaf17bc4d93ddd4eb915b8e218b8de9d6a4f1bb08464377a. 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/TWB511588809.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89464b613dce34395d0721010bc1076b0a4b025fa0292e5a08b2ac55d4efd6d5. 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/TWB511588810.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5977a7d659b3ff8693af0cbe4e72955c9ef3bd24d6a8f2239fad08efc60576c3. 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/TWB511588811.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7655acccf0aff963f486b1fc1b22addc814f929361799c20b9c5ca4f90b3df4. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/TWB511382501.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcfb032be8b4f697aeaf8f171cb317079335f282c9497ad0e426e0bfa4f8b0e50. 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/TWB511382502.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d50d5b7d02efc942e3c5e8992ec62586f3b86c88910050480e65b1d0331ff89. 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/TWB511382503.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51667b097804ca31d0719ac68e29ecc83c5adb73358227cf051ee97f9b6538bc. 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/TWB511382201.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6739609e4cea677b7d0e02d419f67ec49b17ce5c4e491f6a1072d9042a7e6412. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/TWB511382504.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b7f973a6fe2047088e01f23da46e9c28e3e93b564ef2acdf9c9ee92f3531b57. 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/TWB511382505.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89a465480de240658a8a617f148a74ca334cdece3097f0e6acf0534f92cfc47a. 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/TWB511382506.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98d647fc8ef51cfc30dea97c8958fa2749388bedd8ff8fbd61fe266c33656e6e. 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/TWB511381229.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7333197b18bcb9565051b7ec1ab8017d8e044074e4e6fd9e9adba2220c414b0. 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/TWB511172002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x680d03cff61ad74987eac9812e673ed5250f378abcc8907a6cb978b1ef703f23. 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/TWB511172001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb9947a5f1f0fbf371576986d81b9a7d162dba15e962c9a0112bc8fe4b0344fe0. 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/TWB511172003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7597007fb43de41f803d31eddac5c23acc7d8c81cb6ece25d1b0abb6508a0358. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/TWB511172004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64961759b4890c7c5f5628920e1b1d8302ce2a6172401c59bc199609eeb2ba19. 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/TWB511172005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d805d58445e554f0780d62b01c6043b961d7c8444f83d210ff21943d0c7e20a. 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/TWB511172006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32c46c07511f9c93c45b60ea35f8156cc292e269667008615b3437faee3ab941. 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/TWB511172007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6716300f6f79691ad05fa505ecaa5e20e531bb51d04e4ff0a94bfb1f9be03544. 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/TWB511172008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75560fcd3915f24c4fb68327d2aa9ea5a94ea08b33c781ec7ef2cb95949a32aa. 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/TWB511172009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf344a896abd87be4a8cab7f0dfaa5dac9e505a210bceaa5c34368e633b6cb4dc. 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/TWB511172010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba571275480da22741354c8fe3b078d82f409ababb3059b84c7f5a054f3c8fc0. 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/TWB511172011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf02805181d0a116414f9628e78be5c68383aa9a8127dcaf3652bd9049a65ad11. 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/TWIE32100001.
能不能想起我(電影《杏林醫院》主題曲)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06ce222730365a4b7647706483dbda9349489d07125bbab75141a874018ecda4. 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/TWCT52002854.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30beb681a78fa92ced5644e3103f0c796169898b1fc1e7b7fbb71e3935c4fc0e. 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/TWAE32000320.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x115e4c66906a6a322538b82c42ab1b61379d807f550bc18e3c67131897035d02. 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/TWB511277201.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3e0b42e29680bcb941cfb52bf55666592cab6d92d6421eca635cb8b53327e88. 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/TWB511277202.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc9e337d142399629648c2d8381a95ff5dfb66fb22d1ebe5c46b45d63a4ce291. Chain 2 (Bitcoin): anchored in block 957061 (2026-07-07T16:07:00Z), 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/TWB511277203.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0e7da93f5fedf0f26b91e97f469ea76ab62259cff4546456b9a30c41eefe5b5. Chain 2 (Bitcoin): anchored in block 957032 (2026-07-07T11:43:09Z), 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/TWB511277204.
再一次 電視劇《誰說我結不了婚》片尾曲
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1aab617e0a2dd996a9a50309bdc392d964be5e46e2e3c294ae68f150f17c2a09. 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/CNZ512000290.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98d647fc8ef51cfc30dea97c8958fa2749388bedd8ff8fbd61fe266c33656e6e. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/TWB511381229.