Double Concerto in D Minor, FWV L:d4: I. Vivace

Recording by Johann Friedrich Fasch.

Recording identifiers

ISRC
DECP60802104
CopyrightID (CopyrightChains transaction hash)
0x0f9a99923ee1bddc2e93804924a14bc840ab70ce5e706ecf60b1576a9fbe8156
Copyright registration time
2026-07-31T10:47:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T12:24:41Z
Bitcoin block
960397
Canonical record hash
sha256:0bf67f02877de97c315dae834dc0bd929b7af21f4128737a4839eb09f3eba449

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.