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

Recording by Frédéric Chopin.

Recording identifiers

ISRC
GBAYC9200819
CopyrightID (CopyrightChains transaction hash)
0x151bc12b85a3d0a889d944412a2f223e1c4b6722f56ba6e63877f8b980126b59
Copyright registration time
2026-06-27T06:59:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:02d4c921fb1f7521e663959f356dfa5ea0f20be0ec3d0c3b16c1a8f2a87e95a5

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.