Cello Concerto No. 1 in E-Flat Major Op. 107: III. Cadenza

Recording by Dmitri Shostakovich.

Recording identifiers

ISRC
CH1261890103
CopyrightID (CopyrightChains transaction hash)
0xfbb9f69aa30a972260f719eaa6d9eb1c51845f8f8d089ec43edc30e8aecdae73
Copyright registration time
2026-07-07T06:29:57+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:78b704a5d930a86e6080b55b00a74d296a6379447cd6a22fd777232b963c5810

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.