Piano Concerto No. 1 in C major, Op. 15: 2. Largo - Snippet

Recording by Ludwig van Beethoven.

Recording identifiers

ISRC
DEN960700164
Release date of the album this recording appears on
2020-03-08
CopyrightID (CopyrightChains transaction hash)
0x3a7c3ab1af2a96c5ae9362ff02b8ddda351466db761ae6a45a64c08c9efd7c72
Copyright registration time
2026-07-30T22:36:57+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T00:26:26Z
Bitcoin block
960327
Canonical record hash
sha256:7b079ed8cb0b764bfc3ab118035fcd05a40b8c1d148d1fab8eb2bdb0cd000533

What this proof establishes

This recording was released in 2020, 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.