Proof of friendship

Recording by Michiru.

Recording identifiers

ISRC
JPS602202430
CopyrightID (CopyrightChains transaction hash)
0x08a3d4c9f16877f1eea3036d2345686ae92e480c524c55ba3c5c9dbbfc58027b
Copyright registration time
2026-07-07T13:38:12+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:82534015b5d2638d0e659a11a682da7095995fa043b5bc4f487e4256fada9740

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.