Cello Concerto No.1 in B minor, Op.5

Recording by Karl Davidov.

Recording identifiers

ISRC
USX761006601
CopyrightID (CopyrightChains transaction hash)
0x3b655f7d2ef5143f6b73b66d5137ba8bdfdbd641310023b54a714474157efb55
Copyright registration time
2026-07-07T04:52:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:7b92892abc49dc2061902e2f44e7e00c7080ab40a33745441fd4f91aefc59fe0

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.