あ(A)

Recording by Takahiro Izumikawa.

Recording identifiers

ISRC
QZES52305793
CopyrightID (CopyrightChains transaction hash)
0xfb6d94b9cd9e784c4330deadf92026ce888bed71e666512431c0d75cd896f4f9
Copyright registration time
2026-06-24T23:03:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T05:09:12Z
Bitcoin block
956312
Canonical record hash
sha256:e2ce5602d3c4c2d59ab7c551985beb90ec7eb544f5a51bb1c304d567f512b9c8

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.