Etude in G Minor, Op. 45

Recording by Sigismond Thalberg.

Recording identifiers

ISRC
UK6822300827
CopyrightID (CopyrightChains transaction hash)
0xaa7fedf9dce9ddb00e90b0884f88f24a81fdabf9bdbc87d8708fb6c65cc64171
Copyright registration time
2026-07-30T08:30:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T08:33:28Z
Bitcoin block
960231
Canonical record hash
sha256:bac7341e03f52b7d5b1a0a064f1b49355c260b5c266086a415d072b777668b0b

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.