浮水印

Recording by 李碧華.

Recording identifiers

ISRC
TWAN70660244
CopyrightID (CopyrightChains transaction hash)
0x470c0a0c9fdbf68d1893d394fc531efe4401ff7e42f1b3fde8dedfac1cb3529d
Copyright registration time
2026-07-22T13:48:57+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-22T14:03:35Z
Bitcoin block
959137
Canonical record hash
sha256:70f43e98835001d16ed111021a4c105890d2a18487b0be75fa9db83c9b718c10

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.