Cello Concerto No. 1 in E-Flat Major Op. 107: II. Moderato

Recording by Dmitri Shostakovich.

Recording identifiers

ISRC
CH1261890102
CopyrightID (CopyrightChains transaction hash)
0x9f9b38c09b303694544f5e7442f9f410cd52177ef5a8fbc9f9c397ad7594bae0
Copyright registration time
2026-07-07T04:25:59+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:7ef4437a87520988cca4371e854d94c1b6142a8996023a1fd609478bd350cee2

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.