Etupirka with Friends

Recording by Taro Hakase.

Recording identifiers

ISRC
JPS101100070
CopyrightID (CopyrightChains transaction hash)
0xe2dc5cf074f17632f9525e4ec017ef547d7954c31c23fe20922f80e02c7cee8c
Copyright registration time
2026-07-06T22:46:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:7587ed227237524fc7f7f6140e2fb58c7b070f4dfa6899cf55f1b99da1f440db

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.