Challenge

Recording by Hiromi.

Recording identifiers

ISRC
JPPO02300050
CopyrightID (CopyrightChains transaction hash)
0x4eb54effd4dcd0d7401a6f7ad8ad014b6e890916f0a679fec14e9c3a1d110518
Copyright registration time
2026-06-08T01:31:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:cd037990f618c46fa0ea9078807c1b25af69d5703ead09bfa8478a20fab04fdb

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.