Berceuse in D-Flat Major, Op. 57 (Live)

Recording by Frédéric Chopin.

Recording identifiers

ISRC
DEAD61863050
CopyrightID (CopyrightChains transaction hash)
0x633d458c3434ade193a70d5678cc2772e1585abe687738e9f7381b22acefb177
Copyright registration time
2026-07-06T18:50:34+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:9f22941010f63311667d69f08f4ca9fc590431a3bfe6ff129bba14605a48a25e

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.