Mattel

Recording by Mark Ronson.

Recording identifiers

ISRC
USNLR2301109
CopyrightID (CopyrightChains transaction hash)
0x2445a53f8020e419c865eef76acb272fa2a0c1ceb8d2b3c9ad9e6a470ff00881
Copyright registration time
2026-06-20T05:25:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:3516060f592a32b1b28e1ec1c1750d159857c67ba102b67d22961c5cf8c2484b

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.