Der Rosenkavalier, Op. 59 / Act 2: "Herr Baron von Lerchenau!"

Recording by Richard Strauss.

Recording identifiers

ISRC
GBF076940323
Release date of the album this recording appears on
1969-01-01
CopyrightID (CopyrightChains transaction hash)
0x51700ae8bb104f615185a6b6a9c84110cafaf22f9980f4c7fdf62fa4126523dd
Copyright registration time
2026-07-30T11:51:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T12:06:10Z
Bitcoin block
960254
Canonical record hash
sha256:17d90ab65cb46c0fc5be385966bd496b8b05020ea8a6507e0c4d470976601bb8

What this proof establishes

This recording was released in 1969, 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.