Fidelio, Op. 72

Recording by Ludwig van Beethoven.

Recording identifiers

ISRC
USX761302012
CopyrightID (CopyrightChains transaction hash)
0x379d5edff7b43895c9b905b02fbe55e2e8f57fd1a498e353485ec4959555067b
Copyright registration time
2026-07-07T03:11:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:46b0234dadfc3a8b72b8c4912fea1e6214e54854efb4223e2a5df986ea635737

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.