didactic / unavailing

Recording by Kei Matsumaru.

Recording identifiers

ISRC
JPB622201165
CopyrightID (CopyrightChains transaction hash)
0x9f65e21fd10a6f26c2f2c57ecc761babe35abfe0d60b0a7aea815c749a5a93c1
Copyright registration time
2026-07-07T08:46:27+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:4b1d93381291a6dc864665252057038f69c4b37246d6669526c045dce35db24c

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.