ISRC QZGCD1804854
Verified recording
QZGCD1804854 is “Cô bé u sầu” by Hà Thanh Xuân,
registered on the CopyrightChains blockchain with CopyrightID
0x11d6791cbafa940f5c1010c0b9c575dd29e13629a51f4488241ec59677dc755f and independently timestamped
in Bitcoin block 960309 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGCD1804854.
Recording identifiers
- ISRC
- QZGCD1804854
- Title
- Cô bé u sầu
- Artist
- Hà Thanh Xuân
- CopyrightID (CopyrightChains transaction hash)
0x11d6791cbafa940f5c1010c0b9c575dd29e13629a51f4488241ec59677dc755f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T20:35:49+00:00
- Bitcoin block
- 960309
- Canonical record hash
sha256:7a26a64f899ef2cac9e8f2a1ac5ce743e52fcadefb96696e95ffadb54040ec39- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGCD1804854
- Bitcoin block existence check
- https://blockstream.info/api/block/960309