NIRVANA

Recording by Katy Perry.

Recording identifiers

ISRC
USUM72407754
CopyrightID (CopyrightChains transaction hash)
0xb86469cebed0bc7d2934477906bea0e18f77d265a33a8ac890b1cb08a436b229
Copyright registration time
2026-06-04T09:04:35+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:21a3ae3c8c294a88597e9cb30f33ffcdc5d4835c26f39896deb08bae5c6dc2a2

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.