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

Recording identifiers

ISRC

DEA800115602

CopyrightID (CopyrightChains transaction hash)

0xee0ad352ba68680f4b5d1772751951e1344547ef0f65a2da477c99241ea2b49e

Copyright registration time

2026-07-31T19:02:34+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-31T19:53:13Z

Bitcoin block

960455

Canonical record hash

sha256:15a7fa0e3457f28f7f42afdfa676ad7e262629415a7add05c9983f4661594f98

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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.