String Quartet No. 2 in D Major: I. Allegro moderato

Recording by Alexander Borodin.

Recording identifiers

ISRC
GBAJY1716607
CopyrightID (CopyrightChains transaction hash)
0xca6af9af54edbf691ee2b1aac0ea019e2053958457c991afd26a0b8e51c6d45f
Copyright registration time
2026-07-07T19:22:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:a133ae9df17c17ce8a99a52ac776994131e4101056a856b1f7efdfd504b94b72

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.