むすんでひらいて

Recording by 岡沼明美.

Recording identifiers

ISRC
JPCO08713970
CopyrightID (CopyrightChains transaction hash)
0xb80c0f1533874ed96ea2f228c0709940eec91a914de8d9cfda42e27b30a876c2
Copyright registration time
2026-07-29T15:49:32+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T19:35:34Z
Bitcoin block
960138
Canonical record hash
sha256:2b3a63425b0e4720a2dd5cf1c57777c7745f695bb97c8e532299aaab5fad00cb

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.