Capo 4

Recording by Mark Kroos.

Recording identifiers

ISRC
USX9P0984058
CopyrightID (CopyrightChains transaction hash)
0xe0c69e3e8b2835cad8368f7403d7e51bc947fac1c61ebe00336a940a842cecac
Copyright registration time
2026-07-31T01:21:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T02:19:15Z
Bitcoin block
960334
Canonical record hash
sha256:f832919f64d45a4e1cb8b1ca3f496ac6d142f352670b6278329e9659ec2b3b00

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.