Minutenwalzer

Recording by Frédéric Chopin.

Recording identifiers

ISRC
GBAYC8903086
CopyrightID (CopyrightChains transaction hash)
0x38446ed1518d41193731f8c69b4cc9844f53dcce8be756f2d73af5d42e2e8e44
Copyright registration time
2026-07-06T04:44:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:08b0eee1e31f4a8abd3af021a26677977d0c58dc552633edc00d127b623b6589

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.