Lifetime

Recording by 松木美定.

Recording identifiers

ISRC
JPP302200777
CopyrightID (CopyrightChains transaction hash)
0xe981be16a8a938d73d31102c07cc06c83c7eb993327c76a6b28c1d52ad32f5c0
Copyright registration time
2026-06-11T00:28:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:a15b647180f8d7b795eaff6bbdc69692c4e81888635d9e490854c479d8078eed

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.