Party Plan

Recording by 東郷 楓雅.

Recording identifiers

ISRC
JPP302101962
CopyrightID (CopyrightChains transaction hash)
0x70c503572502003d36913b1fed55d628767dc334e327b557027e5a0198d181d8

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T15:22:21Z
Bitcoin block
960121
Canonical record hash
sha256:89671aa9df6d548122c845f32bdd93c225c1e04275c3a901f186165b2bbc891a

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.