かあさんへ

Recording by 川中美幸.

Recording identifiers

ISRC
JPTE09404430
CopyrightID (CopyrightChains transaction hash)
0x6585f3a8b8b0de4736c543ee04bbc489ec619d3a367c5bd519e2cbfec53f676a
Copyright registration time
2026-07-07T21:52:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:39:04Z
Bitcoin block
957122
Canonical record hash
sha256:693c6d2be8fda3e07464418f8c80b51a6675229fe016f9f123d6c7a21bf0d368

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.