EXTRA PARTY TIME

Recording by Tsukasa.

Recording identifiers

ISRC
JPW561804459
CopyrightID (CopyrightChains transaction hash)
0xfc11eb55363c3c037eea51b85543c213f49045951323ba33c6e0975f237691b8
Copyright registration time
2026-07-07T05:48:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:5ba4abd088cd4beb32635c5b8d6c8d38ab9c8c8e401cd8ede6537b78f6095021

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.