犬と猫

Recording by Kazuyoshi Nakamura.

Recording identifiers

ISRC
JPPH09602822
CopyrightID (CopyrightChains transaction hash)
0x43abf6d40e62f6b6ab82c7fe740b95c64d3696b3a556ebe969aba9b3e22fbaad
Copyright registration time
2026-06-07T05:29:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:0a3f203cd5bad9b40eab1d9fd363952cc91268e6f78bd4778d830b7aee052960

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.