Mass Destruction

Recording by 川村ゆみ.

Recording identifiers

ISRC
JPK651668204
CopyrightID (CopyrightChains transaction hash)
0xd3fb858bfe6922889bae414aecae9ec04a85b2c48ea01fd00d5b4beb6d1168d0
Copyright registration time
2026-06-20T23:33:07+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:e1e634d88c12bd2ed951b78626ca8cfe279d7cc67898b5915fd244b58df3313c

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.