かあさんの歌

Recording by 川中美幸.

Recording identifiers

ISRC
JPTE01906310
CopyrightID (CopyrightChains transaction hash)
0x1a48a80b67006f7edeb7097fa8794e01f356f8502a9da01a86500759f3ce163a
Copyright registration time
2026-07-07T15:24:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T08:56:20Z
Bitcoin block
957145
Canonical record hash
sha256:7377e9708def646222ad874e5cbf120bcfd2a4f47e63818773db1d64fdcf37ed

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.