Double Concerto in D Minor, FWV L:d4: II. Largo

Recording by Johann Friedrich Fasch.

Recording identifiers

ISRC
DECP60802105
CopyrightID (CopyrightChains transaction hash)
0x90dbb6048e77fa28f633fa5707ad709e3c57d96e699f78e61e488bde3f5dfaf0
Copyright registration time
2026-07-31T11:39:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T12:24:41Z
Bitcoin block
960397
Canonical record hash
sha256:b2bdef8680901a187564313ff323a1dd3651854c8c1ddcce8d0d17f161e29dc9

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.