Siegfried, Act III Scene 2: Was lachst du mich aus?

Recording by Richard Wagner.

Recording identifiers

ISRC
DEF056830046
Release date of the album this recording appears on
1969-01-01
CopyrightID (CopyrightChains transaction hash)
0x0cba9a01cdbc27734fa93ec51da338162e5e4f97de312163e7185e9b7124097b
Copyright registration time
2026-07-30T14:51:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T15:42:38Z
Bitcoin block
960273
Canonical record hash
sha256:3eb53254f94fa1cc90982e1b3ef4fa643b541ceeb176c13ab1fc351899b1a5dd

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.