Preludes, Op. 28: No. 6, Lento assai in B Minor

Recording by Frédéric Chopin.

Recording identifiers

ISRC
SEWDL6142856
Release date of the album this recording appears on
2018-06-29
CopyrightID (CopyrightChains transaction hash)
0x16897909bd37c4339f0338b502d2b9ebe7cafc54e8540a19d63301f9742e2015
Copyright registration time
2026-07-06T08:18:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T14:18:56Z
Bitcoin block
957048
Canonical record hash
sha256:2fb74918917a63889caa33c1f31da4dde61da9eec362919184a6d373552eb335

What this proof establishes

This recording was released in 2018, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.