親子の涙

Recording by Takatsugu Muramatsu.

Recording identifiers

ISRC
JPJ822200281
CopyrightID (CopyrightChains transaction hash)
0x53b842dc74ddc876bf307915adac0f01655f189b6f46788a50af41379b28565d
Copyright registration time
2026-07-07T20:26:00+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:c52a23f99e79c112ff1b9595459813a37f2448609b0d0164779e6e2160a8ce78

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.