Matsuken Samba II

Recording by Akira Miyagawa.

Recording identifiers

ISRC
JPCO00718720
CopyrightID (CopyrightChains transaction hash)
0x1c203e7d4a4e778aa457d729c52424e035087a000f88542ae114124882dd779d
Copyright registration time
2026-07-03T17:13:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:3d366a8cde79c053597e1c30447e385a00dbdf23a7b71a1d699d79521215d6e1

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.