兩次偶然

Recording by 李碧華.

Recording identifiers

ISRC
TWAN70560061
CopyrightID (CopyrightChains transaction hash)
0x11aabd0224b716ccde833ec8bfb75ffc0af487e5587e8be152130a3f93522f47
Copyright registration time
2026-07-07T07:02:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:9e5bb0acce274e64a4671199d85cecfc95f88f2d99faef56369515b226bbee95

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.