Chopin Waltz B Minor. Op.69 No.2

Recording by Frédéric Chopin.

Recording identifiers

ISRC
AU3SE2200176
CopyrightID (CopyrightChains transaction hash)
0x93c25c88fabf424481c78fd508158fd5da7d10d8b873284c814f797956a9c1ea
Copyright registration time
2026-06-06T19:16:23+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:24114902669034d14cfb568f1f8876d9720134a563e64e9abea2a74a6dc908e9

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.