5 Movements, Op. 5 (1929 Orchestral Version): II. Sehr langsam

Recording by Anton Webern.

Recording identifiers

ISRC
DEF059403592
CopyrightID (CopyrightChains transaction hash)
0x724241b1afa575524117604f9fcca4b4b4104abd3b09fde7fb8d4c27e630ef2f
Copyright registration time
2026-07-07T16:40:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:63f024ba24baf136a7b63781a6bc990619532fc258a10d2d8be88940e5f27063

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.