Nocturne No. 8 In D Flat, Op. 27 No. 2 - Live

Recording by Frédéric Chopin.

Recording identifiers

ISRC
DEN960300651
CopyrightID (CopyrightChains transaction hash)
0xc5f01aadd417d60c826ac5c73a324911b3fdec4d0f26bae1c83569a2be1a7512
Copyright registration time
2026-06-06T16:49:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:b6ba126a0bb98df5cc296257d34954b41697422ba4f62d8dd5f77bae4eadf24f

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.