In mir klingt ein Lied

Recording by Frédéric Chopin.

Recording identifiers

ISRC
USSM12003851
CopyrightID (CopyrightChains transaction hash)
0x376a17e72dcc8b283c75399d286be5061264a19d4c743ea2aab834bc75124d65
Copyright registration time
2026-06-25T18:34:02+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:c72314a4007868c1712434382cfd629514803f55e1992166737f342bbba680a8

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.