Three Ecossaises Op. Post 72, No. 3 - 1, 2 + 3: No. 1 In D Major

Recording by Frédéric Chopin.

Recording identifiers

ISRC
DEF059902440
CopyrightID (CopyrightChains transaction hash)
0x026650f69aa289338e3ee92e2c902bc9432c810f62092cd0926530c6026be856
Copyright registration time
2026-06-12T01:11:14+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:93615aa99502b2055f77fd424602925aee3cba77f7b3f7df93452d6481bb9f31

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.