Konwaku no Warumonosan

Recording by Nobuaki Nobusawa.

Recording identifiers

ISRC
JPVP02402316
CopyrightID (CopyrightChains transaction hash)
0x6758ac81d94034dac2f9caccb0ee040df49712987a040ed165da8ed3984581c0
Copyright registration time
2026-07-07T06:57:31+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:0bd785290521bd5c6b0d481bad17c5cf9a54893d807418f02dbe0e97663759f3

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.