Preludio, Op. 28 No. 15

Recording by Frédéric Chopin.

Recording identifiers

ISRC
USDY41999150
CopyrightID (CopyrightChains transaction hash)
0xb0a1e75a8b13a3298b5262d80e5d501fb562ae7125babca068d2df78fd2cf7dd
Copyright registration time
2026-07-07T06:42:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:62b7e5885fb3090504133cb1a66fc7fd2084343cfa51c36225fc196556c44774

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.