COPYCAT - Sofi Tukker Remix

Recording by Billie Eilish.

Recording identifiers

ISRC
USUM71713025
CopyrightID (CopyrightChains transaction hash)
0xaf6de9171cdd2135f3b93902a81dd784311a2d1f2f4d829e0229c44430b11a58
Copyright registration time
2026-06-04T07:03:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:916ed02cc063432769ac618b1e100b3d8f81a2ba16d7ebfc4b54df387d3b771e

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.