Sonata in A Minor, BWV 1020: II. Adagio

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
NLY332000002
CopyrightID (CopyrightChains transaction hash)
0xdfba6b771b42f480fca258c35a48b88fd985a2af76f16e7cc0876214991e0c0c
Copyright registration time
2026-07-07T00:22:43+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:7b23fa0bd8231e00b603c5f1d79ee227b46c76de0bcd0ce0d44c6a1ecdf1e2d4

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.