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

Recording by Sergei Rachmaninoff.

Recording identifiers

ISRC
GBASH2577807
CopyrightID (CopyrightChains transaction hash)
0x31a9bf43cdb54ce452d2f3f006d352dac3962fd45d29c1a40f8c17a1319e131d

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-22T14:03:35Z
Bitcoin block
959137
Canonical record hash
sha256:66e51f096788df9c3d0514bfeb1382703ed385474d80a0ef9ca957569c69c514

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.