ISRC HKA619900336
Verified recording
HKA619900336 is “始終被愁困” by Sam Hui,
registered on the CopyrightChains blockchain with CopyrightID
0xa9fed1b587759cb542db1d9fe1fbb7f5e62c6ef47f4029c5d3a263e4fbd45dbc and independently timestamped
in Bitcoin block 960210 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKA619900336.
Recording identifiers
- ISRC
- HKA619900336
- Title
- 始終被愁困
- Artist
- Sam Hui
- CopyrightID (CopyrightChains transaction hash)
0xa9fed1b587759cb542db1d9fe1fbb7f5e62c6ef47f4029c5d3a263e4fbd45dbc
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T05:21:45+00:00
- Bitcoin block
- 960210
- Canonical record hash
sha256:6fd7202af8682bff9408cc6e5793eccedf2ebbf198ac12b26eb7f4ca24543d6b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKA619900336
- Bitcoin block existence check
- https://blockstream.info/api/block/960210