Preludes, Op. 28: No. 2 in A Minor. Lento

Recording by Frédéric Chopin.

Recording identifiers

ISRC
GBAYC0301513
CopyrightID (CopyrightChains transaction hash)
0x86a184ba0880d21932c41773f2a7755a58126eb6c5c78cab8b4be4dff7357699
Copyright registration time
2026-07-06T07:20:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-13T07:53:33Z
Bitcoin block
957819
Canonical record hash
sha256:8763f8492a77e5e25cf4cb65056e5ef0b6f34fb7bbbcf4cf9398cbfc1f340cda

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.