24 Studies, Op. 35, "Exercises": No. 14 in D Minor

Recording by Fernando Sor.

Recording identifiers

ISRC
HKI199507618
CopyrightID (CopyrightChains transaction hash)
0x52d3c124b69dfd1bb5af9b6ff804fd30523736515bd94afcdad82d8c0bbf9027
Copyright registration time
2026-07-31T15:23:14+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T15:27:29Z
Bitcoin block
960422
Canonical record hash
sha256:07f98c313eaf375716be237659e142438279b5bdb472db8555465f4c04c09d26

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.