あいうえお狂歌

Recording by 友川かずき.

Recording identifiers

ISRC
JPKI07912310
CopyrightID (CopyrightChains transaction hash)
0x087a18a5947784c3c5603f2a0f907104a98daab504ab6cc3982a965a4724b6df
Copyright registration time
2026-07-07T10:51:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:f715da8fe6156c0e0641c2b9a09ddd3cbdeaa5c58baa067bc420bc2b799ef9b7

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.