ISRC QZGCD1803988
Verified recording
QZGCD1803988 is “Liên Khúc Trịnh Công Sơn: Diễm Xưa, Hạ Trắng” by Lệ Thu,
registered on the CopyrightChains blockchain with CopyrightID
0xf7ea5c3f883d512c4bbac7dcfb03e9c74863ab35c62f71e8c8cdb2064b9a1f90 and independently timestamped
in Bitcoin block 960473 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGCD1803988.
Recording identifiers
- ISRC
- QZGCD1803988
- Title
- Liên Khúc Trịnh Công Sơn: Diễm Xưa, Hạ Trắng
- Artist
- Lệ Thu
- CopyrightID (CopyrightChains transaction hash)
0xf7ea5c3f883d512c4bbac7dcfb03e9c74863ab35c62f71e8c8cdb2064b9a1f90
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T22:27:44+00:00
- Bitcoin block
- 960473
- Canonical record hash
sha256:a396aa89d82d51104b2a1162f38ee1cf612ce247b04bfe355b6d1747c50e7342- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGCD1803988
- Bitcoin block existence check
- https://blockstream.info/api/block/960473
Full record
Track page: Liên Khúc Trịnh Công Sơn: Diễm Xưa, Hạ Trắng · Machine-readable JSON-LD