Swish Swish - Blonde Remix

Recording by Katy Perry.

Recording identifiers

ISRC
USUM71709310
CopyrightID (CopyrightChains transaction hash)
0x7aad93e9f79062991d196c637279ea2036b7098cb85cb0a21bd2ab81c3ad1a48
Copyright registration time
2026-07-07T17:29:15+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:2cd4eec063825e83dc0e42568b400cd0f3cf03262b75a128535b3acffa3508f3

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.