Andante in B Flat Major, K.9b

Recording by Wolfgang Amadeus Mozart.

Recording identifiers

ISRC
GBF071600130
CopyrightID (CopyrightChains transaction hash)
0x0afd5f852bc70611f9569cf62003814fd4c38fdddf192cf9ffdb6a4517ddc889
Copyright registration time
2026-07-07T17:39:08+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:c7d4328a1d50d06077dcd2b8da2c88f3334054772d7de36bfe59b29a2d887a3a

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.