calling location - しょこたん☆せるふかばー

Recording by Shoko Nakagawa.

Recording identifiers

ISRC
JPU902300105
CopyrightID (CopyrightChains transaction hash)
0x31c38330a4c57c19b829b922c2fc7527c62a5ff3936d51d8660f80bc6a6f57b0
Copyright registration time
2026-07-30T03:01:12+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T03:35:13Z
Bitcoin block
960203
Canonical record hash
sha256:a5a3dacb6702e384d7a05ab8c8f1f056bee0295b223ef24daed493a8bc49168d

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.