String Quartet No. 8 in E minor, Op. 59 No. 2 -"Rasumovsky No. 2": 4. Finale (Presto)

Recording identifiers

ISRC

NLA507300994

CopyrightID (CopyrightChains transaction hash)

0x37e4e899a9ec7b3d4a1456a32f1ff2dffdadb56c612c08a1d832d44c700b7d8a

Copyright registration time

2026-07-07T16:15:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-08T03:20:19Z

Bitcoin block

957118

Canonical record hash

sha256:4e5afce1701a3c39b19f4d7ede72c8d4a6750dffe53ab76a35370278b52daa18

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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.