Romanza, from Piano Concerto No.1 in E minor, Op.11

Recording by Frédéric Chopin.

Recording identifiers

ISRC
GBLLH1230810
CopyrightID (CopyrightChains transaction hash)
0x547ee194caf1c17c679a993899f6bab07a56fed81513f70a64d58822db4fc05b
Copyright registration time
2026-07-06T18:42:53+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:5d5216ece14cfd24e60fd45613ce049a9bf0d8d852c3700988f7e8037842cb1e

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.