Tinh Khuc Mua Dong: Phần Số 2

Recording by Khánh Ngọc.

Recording identifiers

ISRC
QZFZ72345311
CopyrightID (CopyrightChains transaction hash)
0x9c7b5ba302f7b9aa8237c9e754719cc7a8069247c368dc5e086eb236db8c4cee
Copyright registration time
2026-06-27T23:29:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T16:51:38Z
Bitcoin block
956375
Canonical record hash
sha256:27bbcdf93e3e5a27553ad4cd7bd47bebe993582c94a4a661236bd333f46192b2

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.