Cello Concerto No. 2, Op. 126: 1. Largo

Recording by Dmitri Shostakovich.

Recording identifiers

ISRC
GBF071505061
CopyrightID (CopyrightChains transaction hash)
0x5566e2526ee3eeaf6f884bec6e89a23706af62f18368a9659437ba5afa0645c4
Copyright registration time
2026-07-30T18:12:07+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T18:23:33Z
Bitcoin block
960291
Canonical record hash
sha256:e0345020a4b46cf944485e7ab335a781312c6c90b5dd0566d7c58b2cfd1be582

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.