Zar und Zimmermann: Holzschuhtanz

Recording by Albert Lortzing.

Recording identifiers

ISRC
DEB261700083
CopyrightID (CopyrightChains transaction hash)
0x7f55f927ad3e3edf98ec0b069edbdabf8b762a582add5817c04007a28250e20c
Copyright registration time
2026-07-07T19:08:29+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:77f406ac8d634bf1ce914f290fad93b76bb27047dbf20f7a9a407042b5809396

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.