Sonate F-Dur - Allegro

Recording by Thomas Engel.

Recording identifiers

ISRC
ATC740700147
CopyrightID (CopyrightChains transaction hash)
0xa1f0b4f40aefcb38e853de54fd6f3e9e866b95cafd45a38af23f83ad87ca1b98
Copyright registration time
2026-07-07T17:36:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:6484f330790188b55717b51cb5c8e5e874a9f7b41edf985c35476b723fa13c5b

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.