24 Préludes, Op. 28: No. 1 in C Major

Recording by Frédéric Chopin.

Recording identifiers

ISRC
DEF059232001
CopyrightID (CopyrightChains transaction hash)
0x096fe48d80d7948212ef74d56c5920ae27c730a0e9a47ebdb5af9f26b6ab0ff5
Copyright registration time
2026-07-04T12:27:03+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:1be0969e4caeacb298d592f9698b1d50b1948bce125a38aa0e607277e4fedcd6

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.