Có Khi Nào Rời Xa

Recording by Trịnh Lam.

Recording identifiers

ISRC
QMBZ91913716
CopyrightID (CopyrightChains transaction hash)
0x6cbe176bfce7c96026caa6e2ac14e59d4051000fe770c8d8cae7b4185b39ee3a
Copyright registration time
2026-06-05T05:15:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:13578b625cae27013228b4cbdd3a946e7d38ff51e4c10bf3edc1063a9d4da16d

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.