ISRC QZGCD1806153
Verified recording
QZGCD1806153 is “Trường cũ tình xưa” by Đặng Thế Luân,
registered on the CopyrightChains blockchain with CopyrightID
0x21afc5cde275c0d75ec2eff734a86e6fb9c319c08ea83b3aacf437bfd4f276ca and independently timestamped
in Bitcoin block 960481 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGCD1806153.
Recording identifiers
- ISRC
- QZGCD1806153
- Title
- Trường cũ tình xưa
- Artist
- Đặng Thế Luân
- CopyrightID (CopyrightChains transaction hash)
0x21afc5cde275c0d75ec2eff734a86e6fb9c319c08ea83b3aacf437bfd4f276ca
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T23:51:35+00:00
- Bitcoin block
- 960481
- Canonical record hash
sha256:eab0c8bfabec65a6bc17a5bab48ca6214c1b7b56e3a021b977fe79aebad10aca- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGCD1806153
- Bitcoin block existence check
- https://blockstream.info/api/block/960481