Warumonosan no Sumu Machi

Recording by Nobuaki Nobusawa.

Recording identifiers

ISRC
JPVP02402337
CopyrightID (CopyrightChains transaction hash)
0xbec436d7bbda6747c4f7b0e2796986c049375175f22385572db2251e9af7557d
Copyright registration time
2026-07-07T13:12:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:43a15fb6b9a64eadbcb9414a80d96d5fd21d95726a7d3439ba6edeb2fa5e4ab8

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.