Cello Concerto in B-Flat Major, Wq. 171: I. Allegro

Recording by Carl Philipp Emanuel Bach.

Recording identifiers

ISRC
FROV61511804
CopyrightID (CopyrightChains transaction hash)
0xe7fc93ca8217afb8dba79e0b3fe6afe38251c8ffb91aa53dd5845d97bbcb539e
Copyright registration time
2026-07-07T10:58:59+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:c338ba109542a21990a580838aea17d3f4f1341127f0759afa79cb3be0b9e525

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.