Grief

Recording by 中村 浩.

Recording identifiers

ISRC
JPR502038690
CopyrightID (CopyrightChains transaction hash)
0x47e81103a17b5f633e807e6648cbef325151303bb3c56e517081c028180eb91d
Copyright registration time
2026-06-24T12:57:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:cfe3a1defd0c98403816d372a60cf48066c2248239b941f50ef1c78bcedf6f20

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.