箏曲部部活中

Recording by 羽岡 佳.

Recording identifiers

ISRC
JPKI01915104
CopyrightID (CopyrightChains transaction hash)
0x9923c428bb0539d2130591367126e4003f5fb929fd3cdd28d3018c9efcf2a5c1
Copyright registration time
2026-07-07T17:17:23+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:6c57d142a40265b1f6ae27a695d8c8c938e14bc1f998405a69663181a6c31639

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.