親子の優しさ

Recording by Takatsugu Muramatsu.

Recording identifiers

ISRC
JPJ822200262
CopyrightID (CopyrightChains transaction hash)
0x1d7ed525a9379a6929f3f761e4e4c2c97594a25e81cdcdbae8f1c44ae3a9a569
Copyright registration time
2026-07-31T20:27:45+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T20:42:35Z
Bitcoin block
960463
Canonical record hash
sha256:a3aefa65c934355c546c3fb259b29eef5ca2f5b77abe85d3b4d18a0c19234552

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.