ISRC HKUM71100570
Verified recording
HKUM71100570 is “SO SAD (國語)” by Shirley Kwan,
registered on the CopyrightChains blockchain with CopyrightID
0x8c67ac97e5b2cac1aca86c101a85e69bcf04246283698627056fd36333e1c7cb and independently timestamped
in Bitcoin block 960334 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKUM71100570.
Recording identifiers
- ISRC
- HKUM71100570
- Title
- SO SAD (國語)
- Artist
- Shirley Kwan
- CopyrightID (CopyrightChains transaction hash)
0x8c67ac97e5b2cac1aca86c101a85e69bcf04246283698627056fd36333e1c7cb
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:19:15+00:00
- Bitcoin block
- 960334
- Canonical record hash
sha256:39f93d8387f04160b45c7e43398c03c005ea44aef2d2171a2de7e9cdf4eddff2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKUM71100570
- Bitcoin block existence check
- https://blockstream.info/api/block/960334