離れゆく想い (ピアノ・ソロ)

Recording by Akira Miyagawa.

Recording identifiers

ISRC
JPI102104015
CopyrightID (CopyrightChains transaction hash)
0x09bbedbdde0ae540e04739a057ad84ed70ec58d3114743fd9eec32d63c14681f
Copyright registration time
2026-07-31T09:47:33+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T09:54:03Z
Bitcoin block
960384
Canonical record hash
sha256:b44b0537489998b08d01772e4dbb3d54c65a2a1af0a62c03cd8033345b68c453

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.