マツケンサンバ II

Recording by Akira Miyagawa.

Recording identifiers

ISRC
JPH291046109
CopyrightID (CopyrightChains transaction hash)
0xa612286f93579fd3a9d36a26cdd964d3cde7bbe3f681549ce9f3ffed4a6bf3ce
Copyright registration time
2026-07-06T18:55:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:355121be030233a602a196264b1011db9f9b43ebfe0576fb19c94799f836cd0f

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.