Schwerstarbeit - Meditative Version

Recording by Karel Svoboda.

Recording identifiers

ISRC
DELB80800405
Release date of the album this recording appears on
2008-11-15
CopyrightID (CopyrightChains transaction hash)
0x51a07bb71fbd7cc5668563712fde039be3c2869ca72ac86716eb0979d2ec1e8e

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T14:36:16Z
Bitcoin block
960264
Canonical record hash
sha256:7b5cdfddedf076b91924cfc081fcca94b6108608df7ac0a2afa3d57981a22dfd

What this proof establishes

This recording was released in 2008, 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.