別れの曲

Recording by Michiru Oshima.

Recording identifiers

ISRC
JPE300500563
CopyrightID (CopyrightChains transaction hash)
0x5d89f0597241000b13f24c58f2d26b3a1d7a119ba919322dac5744ed09545e8f
Copyright registration time
2026-06-20T02:59:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:add8c6734a273fc94167d38733661c6a5d507c549ec10672103269fcb5816104

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.