ISRC QZGCD1803759
Verified recording
QZGCD1803759 is “Liên khúc Nếu xuân này vắng anh - Tôi chưa có mùa xuân” by Băng Tâm,
registered on the CopyrightChains blockchain with CopyrightID
0xbf5dd79c19d5257d840572b83ec2ccc5e02f15f0fde388402e1b3581f0bfc6fe and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGCD1803759.
Recording identifiers
- ISRC
- QZGCD1803759
- Title
- Liên khúc Nếu xuân này vắng anh - Tôi chưa có mùa xuân
- Artist
- Băng Tâm
- CopyrightID (CopyrightChains transaction hash)
0xbf5dd79c19d5257d840572b83ec2ccc5e02f15f0fde388402e1b3581f0bfc6fe
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:42eecd570df0bc5824de126d423846cd7e10d3b12a41b30c234f7b4b26bee51b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGCD1803759
- Bitcoin block existence check
- https://blockstream.info/api/block/960138
Full record
Track page: Liên khúc Nếu xuân này vắng anh - Tôi chưa có mùa xuân · Machine-readable JSON-LD