Horn Concerto No. 3 in E-flat Major, K. 447: ii. Romance: Larghetto

Recording identifiers

ISRC

USKO11300043

CopyrightID (CopyrightChains transaction hash)

0xbe0c57b5a3a19e77f4ccafc78e2349a61adc0be8906bb00a299ff75c378d81f5

Copyright registration time

2026-07-30T23:37:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-31T00:26:26Z

Bitcoin block

960327

Canonical record hash

sha256:e3c9e7b1d9ab02d52b3c4d80bc07795507c6a35d03d2e40f695e6ccafeb0d535

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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.