String Quartet No. 8 in E Minor, Op. 59, No. 2 "Rasumovsky": II. Molto adagio

Recording by Ludwig van Beethoven.

Recording identifiers

ISRC
DEF059404942
CopyrightID (CopyrightChains transaction hash)
0xbdaa273c5f3b310ad0b462eb255a8fcea8fa3376015c46948057bffa77cbdd4c
Copyright registration time
2026-06-22T04:50:45+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:1589f28d2a24337a592e3dfe8cbb424d77804cbc8ce6353098106ab7f4cd91f1

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.