So long !

Recording by AKB48.

Recording identifiers

ISRC
JPKI01218424
CopyrightID (CopyrightChains transaction hash)
0x5e3bdb718d92b505273a490c243aacc5ccbf7a34d7544145d124e677788ca35c
Copyright registration time
2026-06-10T23:21:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:9d60cad3c42195fa3d40d3f941f246cce88268ac0295e50eed3d0ec8e42d034a

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.