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
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:49bdbc88aef11575811814f0281397205fc126d11270e73bd0ed70dab26232d4

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.