Symphony No. 2 in E Minor, Op. 27: II. Allegro molto

Recording by Sergei Rachmaninoff.

Recording identifiers

ISRC
GBDGQ1817702
CopyrightID (CopyrightChains transaction hash)
0xd045214e9c8646e903e10742cc5da0672a9d70d613a8cd8d674c6993ddeda309
Copyright registration time
2026-07-22T06:09:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-22T06:33:30Z
Bitcoin block
959105
Canonical record hash
sha256:0860353786551b6ff01e94f70ef19ff903a3732335a18cd74ffbd0fea3defaeb

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.