ISRC HKB520500820
Verified recording
HKB520500820 is “快樂是無知” by Paula Tsui,
registered on the CopyrightChains blockchain with CopyrightID
0x69ba6475caf7074ea81a5d3b9950a74f1ada56aa3b2dcc3067ce950a5290b4cf and independently timestamped
in Bitcoin block 960497 on 2026-08-01.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKB520500820.
Recording identifiers
- ISRC
- HKB520500820
- Title
- 快樂是無知
- Artist
- Paula Tsui
- CopyrightID (CopyrightChains transaction hash)
0x69ba6475caf7074ea81a5d3b9950a74f1ada56aa3b2dcc3067ce950a5290b4cf
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-08-01T02:22:04+00:00
- Bitcoin block
- 960497
- Canonical record hash
sha256:d033e90ba007d9190fd0d558f0e8eed50fa8c1a270d46b4267ffac7162be5fc1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKB520500820
- Bitcoin block existence check
- https://blockstream.info/api/block/960497