3 Ecossaises, Op. 72 No. 3

Recording by Frédéric Chopin.

Recording identifiers

ISRC
DEF059603310
CopyrightID (CopyrightChains transaction hash)
0xae47c1b0f0061cdba7a3d39b8a59f7f5053507f90596a2d538920b087e60193c
Copyright registration time
2026-06-20T23:38:31+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:69c4b199b9a0ca80943a11cf552401535ec805bbc42c5e4074f2cd33cdff40ee

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.