III. Largo

Recording by Frédéric Chopin.

Recording identifiers

ISRC
HKI199510503
CopyrightID (CopyrightChains transaction hash)
0x97d35b31261e153c71cbc1df9f6227dca5a97d167de7c0e5d8df87a91dffd0c3
Copyright registration time
2026-06-24T07:30:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T18:39:05Z
Bitcoin block
957073
Canonical record hash
sha256:8812dc5de69b3104ae9327d260958d4fb84f31da5ce4fcff55bd550840a24afd

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.