Nocturnes, Op. 15: No. 3 in G Minor. Lento

Recording by Frédéric Chopin.

Recording identifiers

ISRC
DEN962005043
CopyrightID (CopyrightChains transaction hash)
0x2a83da232acbe585e0c70d04cdaa24ae9cea35475b55c7f99621f66c8b0c3298
Copyright registration time
2026-06-07T03:30:33+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:edaa9817d4fd81f0a5618b84009422174d68e43e883b80b9bb21dffff5b6aee8

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.