難付也難收

Recording by Chiang Yu-Heng.

Recording identifiers

ISRC
TWA539338909
CopyrightID (CopyrightChains transaction hash)
0xf0e8a59952ab87e816f6f44cac3a1fd81195b8f96aae877293917e29c7acf665
Copyright registration time
2026-06-27T21:57:57+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:47e8e52889ff4b3178efcb2aaba0fadf0371a63a0cb8d6eebd6250ef6a83c06d

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.