Panther Chan Lei () is a Hong Kong singer-songwriter. She joined the first season of organized by Asia Television when she was 18 years old. Biography Chan was 3rd Runner up in the first season of ,
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 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 0xb3532bd81851706160d1f61bd0a9f727f11818f986fa70438bdeebb2be2488cc. 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/d097c10a-4412-4e0f-bb1d-997b76aac71e.json and https://artists.proofprofile.net/proofs/artist/d097c10a-4412-4e0f-bb1d-997b76aac71e.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 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 0xc458a663e9caf752b8b8698f8e30e2970428be234579a9d39d0f5cf4bf5fab3b. 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/HKI492206212.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe6eaa5be3de7e47e785d125a9ed670081b6058df4a043285b3f225b4c0baa2b. 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/HKI492308263.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67b2ee023de6b1b43e890dac706bd1723a47cb5598406b87140dfb334f90646f. 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/HKI492408201.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50096a7e6a77fdb63bfd711f9da35378806ac2d74b483ea70405530553ccc3ff. 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/HKI492408204.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xacbc7f0bcd9822505a72c8f2e91f6374dd9b0e99e0e8ebbc74046d0d2f31ebb2. 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/HKI492408202.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x108e0c591554999096734eeaddcec21e2d87033036b56707f9f314968be018a1. 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/HKI492308267.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c7041f221797fca29ebbbf3cb378059cbdb3dcebf721282f7bd6cf295481fa5. 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/HKI492308259.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95bef04fd09e7cc3c5601e51cf703f529bc863e506e33b9a6fbd6178eb41fbf9. 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/HKI492408203.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc366a7c52640990f7b97783e78c2a9f26a1be066e48512d62fa974dd29f400b2. 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/HKC091900061.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b9a389508b9bbc54d1b0ec100fb0950c21ff0ec4e762f7fadd14fc7c98886de. 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/HKI492306201.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b76ad80c895ceec5f47e036772c2facab084ce69570035dfea81f239e66bc07. 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/HKI492406201.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05ced70afb4c6ed9b824a444d8e6e812dca242af40db65255ff792760af67f6f. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/HKI492206208.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b3ce227d601f9fef68b6a2cf95dc255762de5bd4c7e8f26a538fdaf4eed2a2a. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/HKI492306205.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5cb424e76189ad8cff41948f006464e7374a628056f7046a9a3f2e0e6d44815a. 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/HKI492306209.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcfd6097821f943ac5c2248b7334aa5df96ddea3427ec5110e9f1c81cc9f973e3. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/HKI492406203.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6827329ebbfa73f05c09cc45c80dd2d669e222c8f889d97abc398873cc5eea9f. 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/HKI492206206.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x915573b46e68ebd427de4ae691570f080751a33e1518c3c3e0b5c6dd83929990. 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/HKI492106206.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf863be770ec27d77746f53b5a072f9c5ea4c93b5ee4a1be1b47159c2e09f149. 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/HKI492206201.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b0eb7b6ef2447e7c12b3cf64d70c01f87820619e519902e67d85786495445b6. 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/HKI492006204.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d45d06fc7f98021145f1fbc7321cc521b9f4f9b1060d4c483c83c113e062e86. 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/HKI492006202.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xebb737477a038d033c6c3a153ba1cd65941cebfa416c20d86d0cdcc4ce13e0b0. 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/HKI491906201.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa93d6cd4c6955942cd271579af95431cfcae87650de73505038532d8c35e6f0f. 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/HKI492006203.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd4f0d62b7e82032a054b11b9381367b05bb047af7a31ed31c3fc644642b18a9. 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/HKI492106202.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2e6b072c98f45882b69c2407d5b3f06de430808ee1d2cbab5a7742ce2211fd1. 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/HKI492106203.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb61c4443676c08b959e7af363110c5bd08ffbc207f01d0321c1450709c9c851b. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/HKI491906202.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed426ee7267cc7503626325bd8c65797e35d801c120974f4267434210fb1f111. 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/HKI492106207.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x237bf155bd5cbfdca0d65e59355145ed35beb3e1672ce089cdaa688a1db26bc4. 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/HKI491906203.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a09b00f28f4cd616e8b8ab53da4f52fda12222d1453e0ad725864899c201e92. 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/HKI492406207.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5cb424e76189ad8cff41948f006464e7374a628056f7046a9a3f2e0e6d44815a. 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/HKI492306209.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6827329ebbfa73f05c09cc45c80dd2d669e222c8f889d97abc398873cc5eea9f. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/HKI492206206.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf863be770ec27d77746f53b5a072f9c5ea4c93b5ee4a1be1b47159c2e09f149. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/HKI492206201.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd4f0d62b7e82032a054b11b9381367b05bb047af7a31ed31c3fc644642b18a9. 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/HKI492106202.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d45d06fc7f98021145f1fbc7321cc521b9f4f9b1060d4c483c83c113e062e86. 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/HKI492006202.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x237bf155bd5cbfdca0d65e59355145ed35beb3e1672ce089cdaa688a1db26bc4. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/HKI491906203.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b7e6a0a43e77b6191994b32fb5bd0db699c6db0f5a128175626c813e6e77e68. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/HKI492137201.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa56c686a04dc30f6d8a6840ff536b0d646ac29c5d4f6ae5b8226727dd20fa8d8. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/HKI499980101.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xacda4349d15ae3926caa66ebcba060f2a1895ae582982f36b42e5c7c3fc895d3. 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/HKI492506204.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ff34337f6b04edccfc0d342fc63140be1ef7ddeccbe554c678c6aa54dd2b6db. 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/HKI492506202.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x736d765610adc3191f73b61955239d4abd81a065a08c858ea3ab57cd4b4961b5. 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/HKI492506201.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb99aad71e517193f419ed268c015cece4b4e6575ae6f74f39488b3f715234907. 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/HKI492406209.