Keyboard Concerto No. 2 in E Major, BWV 1053: II. Siciliano

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
USSM11409974
CopyrightID (CopyrightChains transaction hash)
0x2d0b823fb18d342889dd56b12e01ad4b5e777824685358e8b61c903cf1beb3d4
Copyright registration time
2026-07-30T19:24:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T19:42:40Z
Bitcoin block
960300
Canonical record hash
sha256:8368c5bad5b407c12ca75c9a87def6869d3f81a502ea37b007431a0f26dae97f

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.