Piano Concerto No. 2, Allegro Molto

Recording by Ludwig van Beethoven.

Recording identifiers

ISRC
DER572411011
CopyrightID (CopyrightChains transaction hash)
0xe37393be25c3ba8dc5ef0ab69b330602d2e179d2762c33d5e6a35c6d4946d289
Copyright registration time
2026-07-07T12:37:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:6420728610f3ed95a96241220c5981f3c47dc561340ab47fa73a06b81f74afd1

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.