Material Girl

Recording by Joanna Wang.

Recording identifiers

ISRC
TWA472215001
CopyrightID (CopyrightChains transaction hash)
0x4468e69a00404eae9aba59f14f13f99c8a7f0bed339baba89f43f0c46acde2ec
Copyright registration time
2026-06-11T06:02:23+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:cece2d7c40fb1a0e1cbddeb989c07c095cdcc50c66d6e82926a8be9dd7b8ef37

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.