Lời Nhắn Số 4

Recording by Hà Anh Tuấn.

Recording identifiers

ISRC
VNA0M1925150
CopyrightID (CopyrightChains transaction hash)
0x3085c77e6ea877cb83df016485a242c5e0aaeb8ecabf58573aad055734cae99b
Copyright registration time
2026-07-29T12:22:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T12:41:21Z
Bitcoin block
960106
Canonical record hash
sha256:bfc99c65d12930313bd745c5f08550133af037f773b38be531a03e25cf77376a

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.