Unaccompanied Cello Suite No. 4 in E-Flat Major, BWV 1010: V. Bourrées I & II

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
USQX91801114
CopyrightID (CopyrightChains transaction hash)
0x4ddb019da6b4b7f8cd1beb355690fcf8319a0a5dfbc793100bd0da9b455d9823
Copyright registration time
2026-06-08T14:54:14+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:b815233de6409ca41e4a646d17de99fdb285fcc45a331700987af7afe068b651

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.