Prelude suite violoncelle n2 re min bwv1008

Recording by Paul Tortelier.

Recording identifiers

ISRC
FRZ118701720
CopyrightID (CopyrightChains transaction hash)
0x9f9d3e6b5156758678c2e221f0be56fb90132ecd0f0e41aa2f7f70a99e519bcd
Copyright registration time
2026-07-31T18:34:54+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T18:48:12Z
Bitcoin block
960448
Canonical record hash
sha256:5cd098557310387296819f8512c627cf0f880a6e08060307ce223953a55061aa

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.