Gräfin Mariza, Act I: "Komm Zigány" (Tassilo)

Recording by Emmerich Kálmán.

Recording identifiers

ISRC
DEHB51303759
CopyrightID (CopyrightChains transaction hash)
0x884e02de703e8f37940bf3239671068e0ada9a112b5f8b4aace4538460bf604b
Copyright registration time
2026-06-20T08:18:14+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:8243146e6acaf02dbf2f300b79c9b2beb057d068f956eec46a0b20a7470fcb38

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.