Cello Concerto in A Major, H. 439: I. Allegro

Recording by Carl Philipp Emanuel Bach.

Recording identifiers

ISRC
GBAJY1716205
CopyrightID (CopyrightChains transaction hash)
0x669cec857557f06264360c982ee271602945eb512cdb382c88793b9a7ac381a0
Copyright registration time
2026-07-07T10:27:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:c8f00af459e6ce915e42b8ba093dd468eb4d89dbb43f651408cdaa865153bbe2

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.