Symphony No. 2 in E Minor, Op. 27: Ia. Largo

Recording by Sergei Rachmaninoff.

Recording identifiers

ISRC
DEN962300841
CopyrightID (CopyrightChains transaction hash)
0x8cff7d6462db7cb0a85371376a423f71babb97dca0f30e146f7159eca8ee2de4
Copyright registration time
2026-06-20T04:15:35+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:69e7cdde87bf134ce5e78606127eccdbced9869e109801d8d6c0fa032f52a348

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.