高齢化社会

Recording by Kiyoshiro Imawano.

Recording identifiers

ISRC
JPTO09141540
CopyrightID (CopyrightChains transaction hash)
0xeba51803eeb7a1ae44260f579c4acb872ee2a52d5feb34abe23ce0a2416118e3
Copyright registration time
2026-07-07T09:24:33+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T08:56:20Z
Bitcoin block
957145
Canonical record hash
sha256:de74cd723e34a226075d7f39e21ce3d6771a5310fa914ac5ac5cffaf0e675422

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.