C.X. - Woodwind Version

Recording by Akihiko Matsumoto.

Recording identifiers

ISRC
JPPH09701010
CopyrightID (CopyrightChains transaction hash)
0x63795fcfe5c1f72c551b45d84e516ae847633f9df5212365f4e34af52707ca92
Copyright registration time
2026-07-06T03:20:34+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:8ab3753bebf3f8d746854427ff031733caeec7febc5f4644160e90306a9a0f0d

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.