その先へ【混合二部】

Recording by 山崎朋子.

Recording identifiers

ISRC
JPU971905009
CopyrightID (CopyrightChains transaction hash)
0x48060d93d203999bcb487559aba8198a00409152d2dbb1492624f355ac06dfb7
Copyright registration time
2026-07-07T05:05:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:c0d6e123fc36e5a20cbfa39b5125cfb0dff0464a2379700521abfe9494294a2e

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.