Rondo für Klavier

Recording by Anton Webern.

Recording identifiers

ISRC
DEBL61401286
Release date of the album this recording appears on
2015-02-13
CopyrightID (CopyrightChains transaction hash)
0x135c65126bb4541b91e09d8ea1347eec2cd564201cc2e4d6554abf5449d6404d
Copyright registration time
2026-07-30T10:22:23+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T11:13:28Z
Bitcoin block
960250
Canonical record hash
sha256:ea50cc68f521883c5d3f2740a38bffb4d6cc960e398c27f1a97bb6a68d70f39f

What this proof establishes

This recording was released in 2015, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.