Concerto in A Major, BWV 1055: II. Larghetto

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
DES381919013
CopyrightID (CopyrightChains transaction hash)
0xdb58cc340252a0ccc9acd659647d34e2399b60bd112acb889d74ba9a2312c938
Copyright registration time
2026-06-24T09:59:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:d4ba218a71271792ede57901d81302ea242eafcf27de6210df02711dfa5e8c29

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.