Showdown

Recording by Kotaro Nakagawa.

Recording identifiers

ISRC
JPG750800497
CopyrightID (CopyrightChains transaction hash)
0xf4c56e830cc17cc2f26a99721eb9244f986780a55edce49e7136645203932688
Copyright registration time
2026-06-21T20:01:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:584d47002924c17778a8412cd2b68fad877c2b43ad80bec241b387e5d934ba96

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.