Beethoven: Fidelio, Op. 72, Act 1: Rezitativ. "Ihr könnt das leicht sagen, Meister Rocco" (Leonore, Rocco, Marzelline)

Recording identifiers

ISRC

GBAYC0001286

Release date of the album this recording appears on

1962-01-01

CopyrightID (CopyrightChains transaction hash)

0xad4224ccf48163ade508f19af5f825e32512c4c393bee04c8b2b4d5ff3564f19

Copyright registration time

2026-07-31T01:16:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-31T02:19:15Z

Bitcoin block

960334

Canonical record hash

sha256:d30c209e3b3b42cf6874808de7105bc93ba405e71ff9f740f799e5f8e3cc19a2

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result
• Recording evidence summary for ISRC GBAYC0001286

What this proof establishes

This recording was released in 1962, 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.