Cello Concerto No. 1, Op. 107: 2. Moderato

Recording by Dmitri Shostakovich.

Recording identifiers

ISRC
GBF071505052
CopyrightID (CopyrightChains transaction hash)
0xe3afdd21b113e2ef921b038c57fa5660b4d0f5f647da0ad2fd2e4b64094db5c4
Copyright registration time
2026-07-30T08:40:34+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T09:37:10Z
Bitcoin block
960236
Canonical record hash
sha256:6534147e56ce13909a5d4bbf3ecf230b5b48d41c840fbf60b19f391bda5db4c7

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.