Có Đôi Khi

Recording by Uyên Linh.

Recording identifiers

ISRC
VNA0M1913760
CopyrightID (CopyrightChains transaction hash)
0xa45698065db5c3d096b81e5c043d4deb041bcd881468672012aabc46459d8b9a
Copyright registration time
2026-06-21T19:09:31+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:c50dce8da55b2f9c913946c7fbce1a5e47e0ca3623844c5a8ae287a5e75bbeee

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.