ラスト・メトロ

Recording by Akiko Wada.

Recording identifiers

ISRC
JPE508300002
CopyrightID (CopyrightChains transaction hash)
0x7f04de8fc4e37e004070ff52a9a93d92f2113fde3224a279ce236b5ce08eb453
Copyright registration time
2026-07-06T18:15:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T09:18:01Z
Bitcoin block
957020
Canonical record hash
sha256:8f62bc5c4fce5a0fc4ba15ff9ae47636a479992dbc10766e40e74cf78cec0c02

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.