Cello Sonata in B Minor: I. Allegro

Recording by Alexander Borodin.

Recording identifiers

ISRC
SEAES1158050
CopyrightID (CopyrightChains transaction hash)
0x523ec840f2d7f555a3cd7ef6464c859ecf7b9617a5ed265bf8bef3f3c9c0b0c0
Copyright registration time
2026-07-30T02:08:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T02:30:29Z
Bitcoin block
960199
Canonical record hash
sha256:f43369f735073ccba21b07e3a9c930ca338e1d330ab993c533c1b34b86b2fce6

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.