String Quartet No. 2 in D Major: II. Scherzo. Allegro

Recording by Alexander Borodin.

Recording identifiers

ISRC
NLY330905084
CopyrightID (CopyrightChains transaction hash)
0x417f4cbbe5c84475d42ab9db094e555323ecf0c1843326381f3383a621738649
Copyright registration time
2026-07-07T19:15:53+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:97c6f159a4e0efb788d127274aab73cf03519bdb0e9577000efd8ecd9c28ad93

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.