Pas Suivi - from the ballet "Les Sylphides"

Recording by Frédéric Chopin.

Recording identifiers

ISRC
ITR551900119
CopyrightID (CopyrightChains transaction hash)
0xf8997ad0e070727be27dbbb7a9d598e5803c37f6fd00fb32e6707d8a512b19d5
Copyright registration time
2026-07-07T06:36:08+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:5e84c731048d2105dc09f09015450f6c4a9f25ed7e9ba54afd49d63bfba7abd1

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.