Die Fledermaus, Act I: No. 3, Duet. Komm mit mir zum Souper

Recording identifiers

ISRC

DEF057530603

Release date of the album this recording appears on

1976-01-01

CopyrightID (CopyrightChains transaction hash)

0x1ed649a44cde386dad343c65a6000eb777badf94bea08ae0b326954f924db722

Copyright registration time

2026-06-11T04:10:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-06-13T13:32:09Z

Bitcoin block

953520

Canonical record hash

sha256:faada9834a243976194e6824f283b33cc24bcc8197f98d31255529137bc7f533

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result
• Recording evidence summary for ISRC DEF057530603

What this proof establishes

This recording was released in 1976, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.