「八甲田山」 徳島隊銀山に向う

Recording by Yasushi Akutagawa.

Recording identifiers

ISRC
JPKI02113739
CopyrightID (CopyrightChains transaction hash)
0xf10a526de2c71d07b29cb96163ac7af789c2ef7c883146bbfadb9ce0bddb657a
Copyright registration time
2026-07-07T15:34:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:6525b7898fa94406cc8c831e905e9141516fd9b2d78b5204fd91f4463f27b52a

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.