浮水印

Recording by 李碧華.

Recording identifiers

ISRC
TWAN70660240
CopyrightID (CopyrightChains transaction hash)
0xc5af39549943bf1d3e2d3a6f674922ec23796429d793e16a0194213cc734375d
Copyright registration time
2026-06-19T20:35:15+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:0e10b4c0c0b9637bf2ce6a5dce44c3c19ed29aec993068e19afab274107c6526

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.