大人の唄/Une chanson pour les grands

Recording by Kyoko Koizumi.

Recording identifiers

ISRC
JPVI01225720
CopyrightID (CopyrightChains transaction hash)
0x03fc693fc963bc7a595c252b5548ed23e43aa2d7c298985c3c47e03a8a7c7f1d
Copyright registration time
2026-07-07T17:39:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:c7a6a6ccfaa6a776a6a276196cf88bc70f0520528e84b23d4f21dd8fd69e2b69

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.