曾經

Recording by 李碧華.

Recording identifiers

ISRC
TWAN70660245
CopyrightID (CopyrightChains transaction hash)
0x202bae57ced2661438ff8d5b14a68400c989bb3e62f7b8c444a3b382ac47c1a4
Copyright registration time
2026-06-26T08:45:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T05:09:12Z
Bitcoin block
956312
Canonical record hash
sha256:4b23312c2543a87fb169d0c86268079388a928e45bdcc0ecf4be1d983142b501

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.