String Quartet No. 1 in A Major: I. Moderato. Allegro

Recording by Alexander Borodin.

Recording identifiers

ISRC
GBBJY0001708
CopyrightID (CopyrightChains transaction hash)
0xc7168023fd7d5ce9ccd49ad9137b9f34b28b35309dac9fbcdf1768267d027d78
Copyright registration time
2026-07-07T15:08:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:4d88ed647e918c5c84203e6dcbfd4f4f48929d966d83c12d5fc20f3ece3edd0b

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.