もう君はいない

Recording by Masaharu Fukuyama.

Recording identifiers

ISRC
JPBV09004350
CopyrightID (CopyrightChains transaction hash)
0x112dc787be8aa666f8a370b017ba0db2bccf4a61ba31e56727f32e239e1b82fe
Copyright registration time
2026-07-06T06:42:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T07:16:32Z
Bitcoin block
956891
Canonical record hash
sha256:d0d6b963b75f3612d3ce4bb1d072a1c8ce883105c245ef8671060a6b184b2191

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.