Reasons

Recording by Masako.

Recording identifiers

ISRC
QMRF42400050
CopyrightID (CopyrightChains transaction hash)
0xb12caa42f2763e061ecde44e494c3387db285cc1f3bc7d5d3fac514fee7e24da
Copyright registration time
2026-07-07T09:12:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:0dbf55847ab7c28491c3e414f9a23bd0a20fc999793325c24357197bd0517769

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.