Waltz In A Minor

Recording by Frédéric Chopin.

Recording identifiers

ISRC
CAM239900045
CopyrightID (CopyrightChains transaction hash)
0x98f8793c85dba474cdaddf0a7431b727ab495ce016dc278993a14b98a48ad031
Copyright registration time
2026-06-22T09:23:32+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:929194eabca14ad40e373f9a238a94a763bd9e854bc5ba729b4c75b4feb65100

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.