失焦

Recording by 單依純.

Recording identifiers

ISRC
TWU712201967
CopyrightID (CopyrightChains transaction hash)
0x680b9715f489f13c9bf149364e24e3ed7321a27a13f0bf4bcba8b24b1b5147dd
Copyright registration time
2026-06-07T05:44:01+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:82c9e69956c794e65c38acad4637dcd14240ac059e461b35e46e395b4d50ef21

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.