陽だまり猫に窓

Recording by Junichi Matsumoto.

Recording identifiers

ISRC
JPVI01743880
CopyrightID (CopyrightChains transaction hash)
0xb8845b189aeeefc141bd62046876a74a91320e3c5b82cfdf6f907ca07888cf53
Copyright registration time
2026-06-06T09:55:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:dd1db3707ca9812aeb9c666649a6e4ef262378d671fd319ffba7a744ecf95545

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.