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

Recording by Wolfgang Amadeus Mozart.

Recording identifiers

ISRC
USSM18000754
Release date of the album this recording appears on
1980
CopyrightID (CopyrightChains transaction hash)
0xc402570c20d9e1ff13d6e01157279b06f371f5f8ebe9ce5e555683f64d750a67
Copyright registration time
2026-07-30T06:19:23+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T06:39:12Z
Bitcoin block
960216
Canonical record hash
sha256:b9d99af55b1c63ab3df89d5295605bf24da6e8f9788702535fb629baaad15ada

What this proof establishes

This recording was released in 1980, 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.