Em Đã Nói Trước

Recording by Hana Cẩm Tiên.

Recording identifiers

ISRC
VNA1M2280646
CopyrightID (CopyrightChains transaction hash)
0x556cd7888e378f78b78b3675c5f60d86ab6bafb021dcb1de38f2a8602ab7d953
Copyright registration time
2026-06-24T14:52:01+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:593c6b3dd86e4c37321eec39b1f59c0b87e4516ce651b3198635cd084cdc183d

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.