Clarinet Concerto No. 2 in E-Flat Major, Op. 74: I. Allegro

Recording by Carl Maria von Weber.

Recording identifiers

ISRC
FROV62335408
CopyrightID (CopyrightChains transaction hash)
0x7ba7752a11b0b61afd8d5e3e1e2e5fbfb0eddc9619ab94af34354e97977ef30b
Copyright registration time
2026-07-22T17:36:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-22T17:48:40Z
Bitcoin block
959159
Canonical record hash
sha256:7d78ed093b03a5f3954480308b9f545182a12cde78b38392d1f53c5d942f3037

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.