常言道

Recording by Andy Lau.

Recording identifiers

ISRC
HKA820400001
CopyrightID (CopyrightChains transaction hash)
0x231e1d9e74fa835ff0b8b4d9db80779fab58be7fc1305cbcc27eaca077b2d481
Copyright registration time
2026-06-20T00:53:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:9945f90ef35c5487a2eccf5ec17f2d6156229014f8ef765bacf59c55574c99f3

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.