Catboy

Recording by Mark Lettieri.

Recording identifiers

ISRC
USHM81377710
CopyrightID (CopyrightChains transaction hash)
0x4f318dcdde6a8e85bec76e759e57227fc9b764450b4395f188a0dba5afe20855
Copyright registration time
2026-07-06T09:06:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-21T20:38:10Z
Bitcoin block
957056
Canonical record hash
sha256:2f5778b5019c575b563b3ee68330a59e382284903e7a7b472238ca809bfcdb0b

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.