Klavierstück III

Recording by Karlheinz Stockhausen.

Recording identifiers

ISRC
SE5DH2300304
CopyrightID (CopyrightChains transaction hash)
0xf9daf4c1c9ce595317daee0583418b98dacc429a8e05179d6d6714a750b71e0d
Copyright registration time
2026-07-31T06:59:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T08:26:41Z
Bitcoin block
960368
Canonical record hash
sha256:a053ecd2a907670bed99f4e4e5d878e4a64e07cc2b2db8964e982e1d7f3b6edd

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.