Lời Từ Biệt

Recording by Hà Anh Tuấn.

Recording identifiers

ISRC
VNA0M1933143
CopyrightID (CopyrightChains transaction hash)
0xc262c27376395a4778a8f872f37cace9f09fb2f03a67ea22d441bcefa25af44e
Copyright registration time
2026-06-08T07:06:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:1ec839d5f016573868ef29ed81e81b6638e54f35e7bb5c56ac6443b9de3d95d9

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.