10 Preludes, Op. 23: No. 1 in F-Sharp Minor (Largo)

Recording by Sergei Rachmaninoff.

Recording identifiers

ISRC
GBF077540102
CopyrightID (CopyrightChains transaction hash)
0x762edc8aef6fd03d63261547228cdad2e25eca6b082a4b4d3e409f63c0aee427
Copyright registration time
2026-07-07T02:47:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:98521b5b842bec104548a463b3e4631b6edaf99b042b89e1c9b890d6537679a8

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.