Hummel : Trumpet Concerto in E flat : II Andante

Recording by Johann Nepomuk Hummel.

Recording identifiers

ISRC
FRZ200900132
CopyrightID (CopyrightChains transaction hash)
0x39c9471496d1cea4a60eeffea856863d084a22274504cfaebad144e743d9d822
Copyright registration time
2026-07-07T01:55:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:75df5549346d527dc4f4744db948554cf9ed77e1f23ebf224151ab00790df7ed

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.