万葉 (Manyou)

Recording by Takahiro Izumikawa.

Recording identifiers

ISRC
QZFYX2303860
CopyrightID (CopyrightChains transaction hash)
0xe4b18ea96b4e670cf2022ce9af586b736b5282685fe82fca8f74c7e27b9ce084
Copyright registration time
2026-06-27T18:04:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:451e683ac26e1019c0e885d56ef8e8911192f1f47f28a85d3b9e9743a621ac2a

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.