都会の鼓動

Recording by Hideyuki Fukasawa.

Recording identifiers

ISRC
JPP301301069
CopyrightID (CopyrightChains transaction hash)
0x72eba6b0c5f1ccde7365f7796dd9be402535f996022b5c077f303978674c6d33
Copyright registration time
2026-06-25T18:19:18+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T05:09:12Z
Bitcoin block
956312
Canonical record hash
sha256:4085156ab5fa41d41a4f16cdb861d545cdfbbab169e0b721a8ad2839a2137ac3

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.