Abschiedswalzer

Recording by Frédéric Chopin.

Recording identifiers

ISRC
GBAYC0901420
CopyrightID (CopyrightChains transaction hash)
0xdfb5c13b175b756e6517a0ec9072b8837908d055f070c5be4be50cb2449ccc0a
Copyright registration time
2026-06-24T04:32:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:4a98ce897810ca9148d357b9872f48808194c3b1016feb6d7bd8197b0914a7f2

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.