Symphony No. 1 in D Minor, Op. 13: III. Larghetto

Recording by Sergei Rachmaninoff.

Recording identifiers

ISRC
USSM16600222
CopyrightID (CopyrightChains transaction hash)
0x9632e64907e3b8607feaf96c4f7b3b39da1491faceb8351e4703aa0bc9c1f23b
Copyright registration time
2026-07-29T20:14:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T21:09:47Z
Bitcoin block
960144
Canonical record hash
sha256:59352102b57bde1a65d0547d57a82f64bd0f75029027105962101cb7b6054400

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.