Minutenwalzer

Recording by Frédéric Chopin.

Recording identifiers

ISRC
GBAYC0901417
CopyrightID (CopyrightChains transaction hash)
0x3b4cdd1b6674a9b30c137240db193c3b22669d7a9354572b7febfdb5f736c704
Copyright registration time
2026-06-19T23:23:02+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:904e15461b22916d172da5399bc0cc5b4f9af3bcb16b512d26026cba78eb8159

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.