Horn Concerto No. 3 in E-Flat Major, K. 447: I. Allegro

Recording identifiers

ISRC

FRZ171100950

CopyrightID (CopyrightChains transaction hash)

0xda2fb5ed4fbe93b3ae3ef739c180fe244bfe34adc4d309131ec1e489eed3a21a

Copyright registration time

2026-07-07T15:38:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-08T08:56:20Z

Bitcoin block

957145

Canonical record hash

sha256:5a3d96c4d43fc511178c21620f83d0bb95f3a4fbfdb78cb5ace074bf2acd8e82

• Verify the CopyrightID on CopyrightChains
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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.