A Sad Story

Recording by Kentaro Sato.

Recording identifiers

ISRC
QZDHE2000108
CopyrightID (CopyrightChains transaction hash)
0xadab153aa0610f1cf07b0b50937802a394a78c68c935c229a982cb7031685125
Copyright registration time
2026-06-24T05:40:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T05:09:12Z
Bitcoin block
956312
Canonical record hash
sha256:512ac88add210350dc3c2ee77b38b2bcc0aa6ed5813ce798a04a2f7b3190f59c

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.