Hoa tím ngày xưa

Recording by Lam Truong.

Recording identifiers

ISRC
VNA0F1729269
CopyrightID (CopyrightChains transaction hash)
0x0813e75a6533f00d0f66cf98204c117fda58ace81a95be5e0240bb50cd7a9756
Copyright registration time
2026-06-25T13:52:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:372978ec6d2044ed94d6a75d681a4c238b448e418ec94d1202c2d0259ade8cfa

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.