死にぞこないの唄

Recording by 友川かずき.

Recording identifiers

ISRC
JPKI07912280
CopyrightID (CopyrightChains transaction hash)
0x6e0a641f6aef083cf3c81171bba917b8203bad9ccf1d8cbec6d3293f4936ea1d
Copyright registration time
2026-07-31T18:45:26+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T19:53:13Z
Bitcoin block
960455
Canonical record hash
sha256:30b77366369cb47b8775ad6f44a64756dbba7850c61691300428ff2f22044d69

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.