初めての会話

Recording by MAYUKO.

Recording identifiers

ISRC
JPE302200114
CopyrightID (CopyrightChains transaction hash)
0xa3ebff0733703fbb874c1a3e9bc3630f089eda242cf343963b65e9160f35fb48
Copyright registration time
2026-06-20T14:55:12+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:c217cd881535a2d67706c4c157517c2fb3567663d77a32d5929bcad0d44e3e1b

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.