Katzenduett

Recording by Gioachino Rossini.

Recording identifiers

ISRC
ATMA40511827
CopyrightID (CopyrightChains transaction hash)
0xbf43f827135c3c5e39e82e39df5f16aeceb803bd3f2c25f06318a677a667e04e
Copyright registration time
2026-07-07T04:55:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:9f1deea8cceb2ef02801ad3d71502a1d8a8bd885479c38eb0da27ded5dfd3e7f

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.