Grande valse brillante in E-Flat Major, Op. 18

Recording by Frédéric Chopin.

Recording identifiers

ISRC
FRZ118101562
CopyrightID (CopyrightChains transaction hash)
0x73078320bd19a3a1e67fca5fcc4bd9a75f7f2063e9f28418805b36fc43dadea2
Copyright registration time
2026-06-10T16:36:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:6d0459ff3909b5a5f566b5e0365f751bb1160cd620d4e43a9ef40e16cc5a5572

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.