12 Preludes: Prelude No. 1

Recording by Galina Ustvolskaya.

Recording identifiers

ISRC
DEGF70910401
CopyrightID (CopyrightChains transaction hash)
0xd437f8b7eb4b74b8b8f46987a0e87695f1cbc38de643896113629572bad5bd89
Copyright registration time
2026-07-30T21:24:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T21:35:24Z
Bitcoin block
960317
Canonical record hash
sha256:f46de5e5d4e869b8f9b5db1f14e7ff859ad7cbb168944ff7c657945bc058357f

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.