しずかちゃんとパパ

Recording by Takatsugu Muramatsu.

Recording identifiers

ISRC
JPJ822200260
CopyrightID (CopyrightChains transaction hash)
0xb26af586643871c628692ccd347a87d6f110e318894e7d5ac2d1a5988d6b922b
Copyright registration time
2026-07-30T20:14:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T20:45:02Z
Bitcoin block
960311
Canonical record hash
sha256:dcf05d59f1f4e9a228763dde3d49ca95ad4ed5618fe79a84c63147b54488ac89

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.