Concerto for 2 Clarinets in E-Flat Major, Op. 35: II. Adagio

Recording by Franz Krommer.

Recording identifiers

ISRC
HKI199262302
CopyrightID (CopyrightChains transaction hash)
0xc3d21dd6ea8ed9e8334ff7c54fa8ccb7170fa0d50344230f21e9a9c8d51a7c60
Copyright registration time
2026-07-06T20:49:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:cc847088fadc6f260036ee25051a65f53242e6fac9f6de6655f84fc41f79ef07

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.