In mir klingt ein Lied

Recording by Frédéric Chopin.

Recording identifiers

ISRC
DEUM71001519
CopyrightID (CopyrightChains transaction hash)
0x2dd2642a4091929cc24061958501716429d7a037d3e459e920195a3c16eaccdc
Copyright registration time
2026-06-21T00:28:14+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:4c8320cc77db81d4db400aa2df7cd629fa546e291ecef3868cd1c7bc943326c6

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.