Langsamer Satz für Streichquartett

Recording by Anton Webern.

Recording identifiers

ISRC
FR10S1700859
CopyrightID (CopyrightChains transaction hash)
0xc89eb7800cc1d837ea19ce18e9e05d56619a75d75a4fe4575a7649084e526de9
Copyright registration time
2026-07-07T06:55:53+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:fc77187299fd07fa1cf46c3a3cfce8d3abf131fb085e60a75b8cf7d368e86f2b

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.