String Quartet No. 2 in D Major: III. Notturno. Andante

Recording by Alexander Borodin.

Recording identifiers

ISRC
GBAJY1716609
CopyrightID (CopyrightChains transaction hash)
0xf78695c4441bda5e21e2bce318b0a3814051b64e7ecf11dd2cd17411eb25aeac
Copyright registration time
2026-07-07T14:38:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:c60bbdbb3788fcb34d4df9ff87d6a9d1c63b9babc2de292a672ea86c72c2079b

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.