Concerto for Flute and Harp in C Major, KV. 299: II. Andantino

Recording identifiers

ISRC

DES380007119

Release date of the album this recording appears on

1974

CopyrightID (CopyrightChains transaction hash)

0xec106cf4c9c8b2f6f69087574abe3379fa3953e0b14ff79f5b56c140e137d6b0

Copyright registration time

2026-06-18T02:53:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-02T03:30:09Z

Bitcoin block

956302

Canonical record hash

sha256:a70c61981ac9c8432c053037634ad766cf904941ae250c44517286be252b5dc1

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result
• Recording evidence summary for ISRC DES380007119

What this proof establishes

This recording was released in 1974, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.