No. 2 in E-Flat Major

Recording by Frédéric Chopin.

Recording identifiers

ISRC
HKI199631502
CopyrightID (CopyrightChains transaction hash)
0x73c5e22c4d8c32a53e61d8048ace9917fec220ed2385b515b98bb13afb05045f
Copyright registration time
2026-01-28T19:32:08+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:282c9efe3f55d2ae9ed314f8d2589dcad498a8b7c7606dd4ef785dbbde8cd56a

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.