Streichquartett, Op. 28: III. Sehr fliessend

Recording by Anton Webern.

Recording identifiers

ISRC
FR10S1700854
CopyrightID (CopyrightChains transaction hash)
0xe7e059b467e628718da8c1b69606e8f772b8875998cc17863512e7b645d8372d
Copyright registration time
2026-07-07T16:02:02+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:426347e3851c0542ce49bb45aabcd6ba4a547844d7cce04b0eabd95885168372

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.