Material Girl

Recording by Peter H. Brown.

Recording identifiers

ISRC
QZ8BZ2200527
CopyrightID (CopyrightChains transaction hash)
0x48079b83638eb53e145d88276e290523e322a80f3a27885f533d51cb7142429b
Copyright registration time
2026-06-04T03:49:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:0943ead4ebb95db0ba2f1936d9f2bd32f5d832068d28f02b25ecca8697c007d9

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.