Southwest

Recording by Martin Buttrich.

Recording identifiers

ISRC
USPC81801020
CopyrightID (CopyrightChains transaction hash)
0x90c4a024e6824ae200f17febdafe8e0188c059d12b9e8ea4c7f4a26b25e445d0
Copyright registration time
2026-07-31T05:27:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T05:48:18Z
Bitcoin block
960354
Canonical record hash
sha256:40e5010bf4fa78a8bf4fd6d1bb1093cbf76108c944812f000a2c1c4e65a6780d

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.