Etupirka

Recording by Taro Hakase.

Recording identifiers

ISRC
JPES09803301
CopyrightID (CopyrightChains transaction hash)
0x879edda2eac3d97b0d17796b4e85992b292a895f5fce3b837135b05e2031c04f
Copyright registration time
2026-06-07T19:08:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:de605348ee30540a47b7be43f50dd186dc6a5198d1b3de254b67d1df081579a2

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.