Re:friend

Recording by A夏目.

Recording identifiers

ISRC
JPZ922114047
CopyrightID (CopyrightChains transaction hash)
0xf33a0a7e8477957e4ea9d1257147bc7bc592149cc6f1bf1110489c51ad3e17bd
Copyright registration time
2026-06-22T05:52:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T05:09:12Z
Bitcoin block
956312
Canonical record hash
sha256:6d06b39f8a592d7b77fbf677adb8b873732c888500ccbc3f094d7e8348dae6f7

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.