子守唄

Recording by Shuhei Naruse.

Recording identifiers

ISRC
JPB600922432
CopyrightID (CopyrightChains transaction hash)
0x86c2be8a5dd1ac220f2ad2c718e8d426c45b2c7f8bfb3e26994db602baefe05f
Copyright registration time
2026-06-18T18:14:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:7f7c1d4e716d58ef3b6434819dd79ae8bac62bcd97015e71a9b428a000c45d2b

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.