Leipziger Couplet

Recording by Carl Michael Ziehrer.

Recording identifiers

ISRC
ATP131202411
CopyrightID (CopyrightChains transaction hash)
0xafa75d21dd75049794abddffa1f4219b24225d452d319771a884890fe28bc938
Copyright registration time
2026-07-06T23:59:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:41b461a46cb42e339f7702dab99eb26d31881dfb6db11d51a3f0bae8d7b7b700

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.