Tình có như không

Recording by Mai Lệ Huyền.

Recording identifiers

ISRC
QZGCD1803335
CopyrightID (CopyrightChains transaction hash)
0xc5a96cc12df41578b95128ce9ddb9a7231ebac735427aa751bbda8da03989bed
Copyright registration time
2026-07-06T10:40:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T16:07:00Z
Bitcoin block
957061
Canonical record hash
sha256:00bfd0279ed25398a4531d94d14aa87227a93582347773a0263593e03ceb1b8f

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.