String Quartet No. 2 in D Major: IV. Finale: Andante - Vivace

Recording by Alexander Borodin.

Recording identifiers

ISRC
SEWDL0715809
CopyrightID (CopyrightChains transaction hash)
0x0ce8970863fdac6d1cf3005e233e3ea986792403b15cc80a25de83ac573d9af2
Copyright registration time
2026-07-06T09:16:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T18:39:05Z
Bitcoin block
957073
Canonical record hash
sha256:7496563110cef63b337edc80c573e5a45b6194cd191e5235f454bebf1fe2ab0f

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.