Symphony No. 2 in E minor, Op. 27: 3. Adagio - Excerpt

Recording by Sergei Rachmaninoff.

Recording identifiers

ISRC
GBBBA8150260
CopyrightID (CopyrightChains transaction hash)
0xf04995c5110613ea6bfbe828910def3cb0f7934acabb91fef0475371ccd9a5d0
Copyright registration time
2026-07-05T12:48:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:a0671606bc17a97a1b4c4da4ee764f81a604761ef35191cbb4edcaa926034bf0

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.