パパの子守唄

Recording by Crazy Ken Band.

Recording identifiers

ISRC
JPPO01504973
CopyrightID (CopyrightChains transaction hash)
0x53f7f71babeb55177ddbfab7667f6d7be06256af14f57cabfb7161a7cde68a28
Copyright registration time
2026-07-22T17:55:03+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-22T18:47:29Z
Bitcoin block
959163
Canonical record hash
sha256:31596279b354aaef32b2ce6ae8d065cf23d917cea9dbcf2cbbdf8a2f8433b5b1

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.