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

Recording by Sergei Rachmaninoff.

Recording identifiers

ISRC
DEN962300846
CopyrightID (CopyrightChains transaction hash)
0xabb225e32befbdb5779d99b16b8d5ce47225a67dcf6ce830343336dc3796096f
Copyright registration time
2026-06-21T21:40:07+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:74189156c06ea67be2044f1190474ae16b2f7bd17eaba76b6aca231a2b490c43

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.