魂の子守唄

Recording by Kazuyoshi Nakamura.

Recording identifiers

ISRC
JPVI01600280
CopyrightID (CopyrightChains transaction hash)
0xd9c51d0e60e8768d6ffd2879943ad145ff718b54200b5336d7651cf490fd69af
Copyright registration time
2026-07-07T09:31:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:03612a23441c3fbed3c4066e07be9a3c7808e2f1cfb9ddd529df0e94b14ac489

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.