CoCo Lee (; 17 January 1975 – 5 July 2023) was a Chinese-American singer, songwriter, and actress. She was one of the best-selling artists in Asia and is widely regarded as a significant figure and a
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 0xb048e4a18b31ad48507a8487680bcaab44d9426c0a4b2b96f53a38b8c9800557. 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/f8210299-0b96-4af1-93d8-3d63c11fb6a8.json and https://artists.proofprofile.net/proofs/artist/f8210299-0b96-4af1-93d8-3d63c11fb6a8.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 0xb0271f07da8ddada539e7ff5e20ae2fa7115be777141a6ab120dcfa57a0cdf6a. 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/NLB630400272.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x708e7a29a320914e0527cf3efa6a16b9a15b025f7a41a6d42eca80dc7c6de9b7. 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/NLB630400274.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4237a53bfbd71d7d3fc2a94c779b738bfd4df480fb7f35417d3a59e1d10ab51f. 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/NLB630400276.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa60f32f9ce5acddf0fc7712269c3361cd35f47547b3d47a351f3ca10a7b68fb3. 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/NLB630400280.
No Doubt (feat. Joon Park) - Korean Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2619734847721ea1d862dbf69e7154fcbe41c2a366a0d29a1ad61cf6409e65e3. Chain 2 (Bitcoin): anchored in block 959128 (2026-07-22T12:33:25Z), 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/NLB630400283.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4836f6c8ab4b63e3b4086650bf9913a9e2292500f9e054e2e3148ffbda56ec5f. 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/NLB630400282.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7aa45d30c9e0cf0d19bb01b36960fc6f932dec921586650c6d67cd728276ca10. Chain 2 (Bitcoin): anchored in block 960254 (2026-07-30T12:06:10Z), 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/NLB630400270.
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 0xf90e471839502d45a507a331f9dbb3dffc5e9ec11546317d003f6e690f935a80. Chain 2 (Bitcoin): anchored in block 960209 (2026-07-30T05:15:54Z), 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/NLB630400273.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x272c8307b08fe569b9512915133ede9162dc2d0df98621724c048a7352e3f5d8. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/NLB630400275.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4649fdd6f5d2a988bf724cce1cd6c6009e5dacc5d17d3c251b85052eee61d5db. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/NLB630400277.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1cdabaeec8082cb7ed512c6f64f019a69c67153a3fcdb0846aea076e7d846a7a. Chain 2 (Bitcoin): anchored in block 960216 (2026-07-30T06:39:12Z), 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/NLB630400279.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c8734bdf9fbbbba56d75c9ab0fff822f487b0a61a40299a17814d4fd47d58b2. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), 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/NLB630400281.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8de524f4bb73013fc03122642545400c05923f9542d32520322fab2b54e43e04. 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/HKG732278269.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5c62cf79c19a73ca04f7af2ca29dc40ada09ed75d79b6709048d146059fe626. 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/FR96X2352214.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13b761cfc8d685ece75b5c10b55cb0aa47534430f9463581cb7f2fee698cd133. 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/USSM10009790.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67001b837ed1c4f8a3a588304023d659680dd0d85620b9c87c85fbe1ebbd5be7. 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/FR96X2305385.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd53066d03e68a891893289df89137638b21d4c0ee8e8cc10eaf224748501864. 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/FR96X2369208.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf7b8870069f48f05e03ba7110e3bed2a97aab5eabcacfaf90b871f35b8dd99a. 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/HKG731554915.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7265caf82c6f7935d99e6cc9e6cfb2994cc2e84e8a5fdc02a2b684e165c50ee2. 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/FR96X2352222.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x530f2c8ca22dfea6bfb1b45b13e265fdc8ecfb78e5ac4327d285904cce4b509b. 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/USSM10009776.
No Doubt (feat. Blazee) - Indian Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1a780a7c7ace6d8680476fc7b122e80b214361475f7aa63edaeba4e3316a883. 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/NLB630400271.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9351993f36cd8515886e9bc5a4095483143312ce37b11c2d4c1e1bc7f5f441f5. 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/FR96X2352221.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f4acbbdfe9728ba667efee0a35b273323b764f371b941090f4965fbe1d273d9. 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/HKG731554894.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf5833b2bef8051778cb37be3d4616f60922b5e5900b165fa9ace311543ff7d6. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-21T16:19:15Z), 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/NLB630100225.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc74ff93cd64fc75b2cb87eda59411aee6c87593f898619b396e613a913464800. 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/HKG731554137.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2782dfdac15de4994ab93be8d2f662aecef1431b3319d2e14531c574b7950baa. Chain 2 (Bitcoin): anchored in block 959155 (2026-07-22T19:11:16Z), 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/HKG731554751.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8282d86831dbb873ce9f46401a08fb7c83883837e59df3ec1f15b569bdb80e6a. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/HKG732278270.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7d68ace4eff874178814dba4daf980a11a7f8893334108bc223a00c46d57996. Chain 2 (Bitcoin): anchored in block 960210 (2026-07-30T05:21:45Z), 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/HKG731554774.