Horn Concerto No. 2 in E flat, K.417: 2. Andante

Recording identifiers

ISRC

NLA508720504

CopyrightID (CopyrightChains transaction hash)

0x4515e7320ce461364c270c684c5173f9b13225f2c6c7ccbb446cffec4f559c70

Copyright registration time

2026-07-06T23:16:45+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-08T03:20:19Z

Bitcoin block

957118

Canonical record hash

sha256:def2b468a07eca7f715890160c6ce1f00898925be972b14f3b0d0cf3311bd289

• 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.