Elfenchor from Die Rheinnixen

Recording by Jacques Offenbach.

Recording identifiers

ISRC
USWD12097619
CopyrightID (CopyrightChains transaction hash)
0xd632b335f1264b91fb61a808704e19a3c9368218b1cff8d1f6fef3ade2b7389a
Copyright registration time
2026-06-08T20:41:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:9b3634ebd0d5c370df1cef7645ae19ce618479d4379ad2b174bdcf6eacbd6706

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.