Family Song

Recording by 広橋真紀子.

Recording identifiers

ISRC
JPQ702000014
CopyrightID (CopyrightChains transaction hash)
0xf2116a6f19dba6ab1565a0e574ad87f98801fc3412f760f64585382ec59f54e6
Copyright registration time
2026-06-18T07:54:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:456168ed430e16e017b33694f57a64914ebc80b857fe352d12ea5fcce782e719

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.