Concerto in E-Flat Major: III. Rondo. Allegro moderato

Recording by Johannes Matthias Sperger.

Recording identifiers

ISRC
NLY331701541
CopyrightID (CopyrightChains transaction hash)
0xae9fdf1ee95b99b3a7f56b9407ad3a5a4d16cc3d87d6837b3cb26480c1c88aa1
Copyright registration time
2026-07-07T12:50:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:6a7ac4a365042960956596a759f9c3851d3581583a8a77bc181e69adf72574d4

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.