ISRC QZGCD1800542
Verified recording
QZGCD1800542 is “Buồn trong kỷ niệm” by Hồ Hoàng Yến,
registered on the CopyrightChains blockchain with CopyrightID
0xe8759a13040126b2242c3d2f457b8fa1e23eaa3dbcaa6d0a36b5cfc4eee415b3 and independently timestamped
in Bitcoin block 960121 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGCD1800542.
Recording identifiers
- ISRC
- QZGCD1800542
- Title
- Buồn trong kỷ niệm
- Artist
- Hồ Hoàng Yến
- CopyrightID (CopyrightChains transaction hash)
0xe8759a13040126b2242c3d2f457b8fa1e23eaa3dbcaa6d0a36b5cfc4eee415b3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T15:22:21+00:00
- Bitcoin block
- 960121
- Canonical record hash
sha256:71e3600e954ca2245296f65f96ade426bfaa4962ee96a2c099407dbd7a277219- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGCD1800542
- Bitcoin block existence check
- https://blockstream.info/api/block/960121