犬と猫 再び

Recording by Kazuyoshi Nakamura.

Recording identifiers

ISRC
JPPH09701820
CopyrightID (CopyrightChains transaction hash)
0x5891f10c04df23562e01ca93bce4391f90e14b19d57e4d6a1d02cb9bb4125eb0
Copyright registration time
2026-06-10T13:51:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:4bd7e2eb679af073406c43e8dfdeae69834e2d160f35482a60a0390da1d75731

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.