Step (The Steppe), Op. 66

Recording by Zygmunt Noskowski.

Recording identifiers

ISRC
PLB359601905
CopyrightID (CopyrightChains transaction hash)
0xe0ac3f72b546b66f43e331f386ae42110632897f4cbd61798c0c4db3c52966e6
Copyright registration time
2026-07-29T22:53:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T23:20:38Z
Bitcoin block
960163
Canonical record hash
sha256:6640918767c97045e06a45b1046f44a0d3557121c202486c118a79ab395405ce

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.