Strohfeuer-Polka

Recording by Carl Michael Ziehrer.

Recording identifiers

ISRC
ATP131202404
CopyrightID (CopyrightChains transaction hash)
0xa6fb24ff2bfaa2eb3779df7d3478d970e792905a5202023b3a41ea97cb3c544b
Copyright registration time
2026-07-22T11:16:26+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-22T12:33:25Z
Bitcoin block
959128
Canonical record hash
sha256:acd01961d0a5c6f9338068c5234a5b1c8186f2b48b22a13a4c9462e8a25100f5

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.