No. 2 in E-Flat Major

Recording by Frédéric Chopin.

Recording identifiers

ISRC
HKI199232002
CopyrightID (CopyrightChains transaction hash)
0x4522af8708aa8e40ac3099f40f607a091fcf6fb9a844312857d204b5501af4a1
Copyright registration time
2026-07-29T16:04:09+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T19:35:34Z
Bitcoin block
960138
Canonical record hash
sha256:613e2e5c52c5b456530e97442fd754e3204d432280644ae1e8b7625e2857838b

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.