Nocturne No. 10 in E Minor, H. 46B

Recording by John Field.

Recording identifiers

ISRC
HKI199751701
CopyrightID (CopyrightChains transaction hash)
0xe8f0709a390eb5c0e31be39517cf92bd7ca89af22dc08450e3f06a73fdac7668

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T15:42:38Z
Bitcoin block
960273
Canonical record hash
sha256:b03a988db175845abec90fa254428cc3f174142c86196e305cf1c2482343f307

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.