Symphony No. 2 in E Minor, Op. 27: I. Largo – Allegro moderato

Recording by Sergei Rachmaninoff.

Recording identifiers

ISRC
GBDGQ2035101
CopyrightID (CopyrightChains transaction hash)
0x17b80d104ff57069a69e7d2cf6e39acaf8b0253f6dc7cb22da3c95930a5ba9b4
Copyright registration time
2026-06-20T04:37:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:a48f65af996bb166e8e5674c2bf29e82739328773fa516c7ae7ded26c6b9d265

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.