Symphony No. 2 in E Minor, Op. 27: IV. Allegro vivace

Recording by Sergei Rachmaninoff.

Recording identifiers

ISRC
GBDGQ2035104
CopyrightID (CopyrightChains transaction hash)
0x6ec3a7657146f669d3864ab23d455cc5e8df71aae7a40eb18c12f548ef11ef82
Copyright registration time
2026-06-23T02:07:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:01f481868883f52108c4630629d17f526f08f70e4365f73a840befb86eea7d63

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.