Préludes, Op. 28: No. 1 in C Minor, Agitato

Recording by Frédéric Chopin.

Recording identifiers

ISRC
FR3KD1507459
Release date of the album this recording appears on
2019-02-09
CopyrightID (CopyrightChains transaction hash)
0x0570d32d31be9bc31001cdd2414f4c16a149ec52421ce88f445339259adc976b
Copyright registration time
2026-07-31T10:03:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T10:20:10Z
Bitcoin block
960389
Canonical record hash
sha256:3dba2e71d0faa296757bd01ca182e76e25f6c9d0dfdff3299490ce74c278b64a

What this proof establishes

This recording was released in 2019, 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.