Witness

Recording by Katy Perry.

Recording identifiers

ISRC
USUM71605083
CopyrightID (CopyrightChains transaction hash)
0x87607fc6792e5456bc43b3a298a594d20ce55038b20e71df4155500917a5e7f4
Copyright registration time
2026-06-04T13:18:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:f531cf096ccf5c267e5460cb79d75e1d58affb0f39a806c02f6b21f76cc2d3b2

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.