ISRC QZGCD1803521
Verified recording
QZGCD1803521 is “Sầu đông” by Hùng Cường,
registered on the CopyrightChains blockchain with CopyrightID
0x8e32108038d7918bf2fb9fa152fcb1a546f1c405c3bef5fe94f18d99ed86d27c and independently timestamped
in Bitcoin block 960509 on 2026-08-01.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGCD1803521.
Recording identifiers
- ISRC
- QZGCD1803521
- Title
- Sầu đông
- Artist
- Hùng Cường
- CopyrightID (CopyrightChains transaction hash)
0x8e32108038d7918bf2fb9fa152fcb1a546f1c405c3bef5fe94f18d99ed86d27c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-08-01T04:30:37+00:00
- Bitcoin block
- 960509
- Canonical record hash
sha256:231b3a4bf391d39922cd80a8547566c24b9ca6c4e8705ff3f41eeeac7181698a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGCD1803521
- Bitcoin block existence check
- https://blockstream.info/api/block/960509