ISRC QZGCD1804858
Verified recording
QZGCD1804858 is “Cố quên” by Hà Thanh Xuân,
registered on the CopyrightChains blockchain with CopyrightID
0xb5b5ddbbc4fdf55bd3ca133a30fb3fbc6f6cdd249ae9431462c771c970ddf5b1 and independently timestamped
in Bitcoin block 960258 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGCD1804858.
Recording identifiers
- ISRC
- QZGCD1804858
- Title
- Cố quên
- Artist
- Hà Thanh Xuân
- CopyrightID (CopyrightChains transaction hash)
0xb5b5ddbbc4fdf55bd3ca133a30fb3fbc6f6cdd249ae9431462c771c970ddf5b1
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T12:45:34+00:00
- Bitcoin block
- 960258
- Canonical record hash
sha256:ac9278834b027134ef6ca3ef76f79e0c80aa830c9cb88fb0e70098b6a10ab278- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGCD1804858
- Bitcoin block existence check
- https://blockstream.info/api/block/960258