Ideal conversation

Recording by Tsukasa Masuko.

Recording identifiers

ISRC
JPJ931800118
CopyrightID (CopyrightChains transaction hash)
0x8b8437367c79f9b28f5e87e6c4b2dab6a35e24a71a8c2b38e320336a43ab1c7e
Copyright registration time
2026-07-07T13:29:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:c3cc1aa58b6c5a92a0fbb2a7dafe268cf0aaa218bd014aab5081aaf739d65f0d

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.