偶然

Recording by 李碧華.

Recording identifiers

ISRC
TWAN70360659
CopyrightID (CopyrightChains transaction hash)
0x1f27c54566b832885c78faada5035873f9b015afa254070253866c7021b3734b
Copyright registration time
2026-07-30T10:42:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T11:13:28Z
Bitcoin block
960250
Canonical record hash
sha256:b5e89800141e1c5788d9a545f33c355fb4302943fdc8d044221eb7a150f67005

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.