不難

Recording by LaLa Hsu.

Recording identifiers

ISRC
TWJ011200106
CopyrightID (CopyrightChains transaction hash)
0xc252add2adf0fda7a7977136700c34a8d6b6d7e2cf98bd3bb066e7293b8283c7
Copyright registration time
2026-06-06T13:38:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T17:25:41Z
Bitcoin block
953536
Canonical record hash
sha256:5603ffdc2a24d2006bac9ea88591476f197dd4c22655117ad84e3a2c33ae6223

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.