A:4 Solfeggietto in C minor, Wq. 117/2

Recording by Carl Philipp Emanuel Bach.

Recording identifiers

ISRC
GBEYQ2456904
CopyrightID (CopyrightChains transaction hash)
0x4e5e1f572031cc06cddbb74215d01a4a6bc522aa3e0af160afb2266d876862ba
Copyright registration time
2026-06-07T06:43:57+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:e650340fca154c522ef07280c03a5a1c0ae14ecac7cea73492f3e966de923db6

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.