Chốn Cũ

Recording by Bùi Anh Tuấn.

Recording identifiers

ISRC
FRX202171701
CopyrightID (CopyrightChains transaction hash)
0x68b34a2ea940d4532801b1d2b9bb1c01fd9126850716d12c5c25781f8be35e17
Copyright registration time
2026-06-23T19:53:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:e45494fbb8150c9ca7f91b36ad48ae6259dd7a5a3acc90b52e2d0a8f2ac6d6ae

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.