Recording by 張偉文.

Recording identifiers

ISRC
HKC630802733
CopyrightID (CopyrightChains transaction hash)
0xae3c1525c97b98f06c9404514cb3ed099d808f2f9e705956e2cb17d2a1bea69b
Copyright registration time
2026-07-31T17:36:26+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T18:48:12Z
Bitcoin block
960448
Canonical record hash
sha256:b139cecd26c504d17270607ab0ef981241bf4fdd66baadcf168e39a384b4ad07

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.