Em Hát Ai Nghe

Recording by Trương Tiến Giáp.

Recording identifiers

ISRC
IEWGI2513739
CopyrightID (CopyrightChains transaction hash)
0x258562c90723002b35f1dfa137388fe90ef8971535e42400ed350df0fc4cc65c
Copyright registration time
2026-07-06T07:41:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T18:39:05Z
Bitcoin block
957073
Canonical record hash
sha256:e4669c0cc9e27ff35501a450127de490df60395b60aeb5a2620de02369e0329a

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.