Requiem: Requiem: 5. Aria (A). Quid sum miser

Recording by Johann Christian Bach.

Recording identifiers

ISRC
FRZ141025060
CopyrightID (CopyrightChains transaction hash)
0xa5cdc99330e16e0164aefffb66f544bbac3d65a0da82b8963a3cd415d2506c08
Copyright registration time
2026-07-06T20:53:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:a9216e3c243d890e7076bdeaea7c7da9a45ee522e1fce7f647b4608acad5146c

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.