愛の苦しさと切なさと違和と差異と

Recording by Junichi Matsumoto.

Recording identifiers

ISRC
JPVI01840470
CopyrightID (CopyrightChains transaction hash)
0xac048ffee97e657be437693bd0d906c4bac7f8f9a4c331282936644a227f0805
Copyright registration time
2026-07-06T20:57:44+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:f4d901e5869844d5910d45789fced1fbf8b92be613b7e93626aa1111edbd1e9b

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.