The Kangaroo Rat

Recording by Beastie Boys.

Recording identifiers

ISRC
USCA20703452
CopyrightID (CopyrightChains transaction hash)
0xb7b4dca306f0524b03ff30e0b3053c188c7224712d8741329ff6b5184d19a558
Copyright registration time
2026-06-07T23:39:07+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:6e7dc8abf91d168012952aad7821384956c831bef7cab9aa6538b006210e535c

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.