Fidelio op.72 / Act 2: "O namenlose Freude"

Recording by Ludwig van Beethoven.

Recording identifiers

ISRC
GBF077930422
CopyrightID (CopyrightChains transaction hash)
0x0713536d000050a838f6d565f0ee8322592c0fb50010a3496a9fe1ca18036ef5
Copyright registration time
2026-07-07T14:30:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:b56798ce7f8bde46fcb1cdd8ea40dc018c47d7583e34b323ea4bc0d79dce99d4

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.