Klavierstück IX

Recording by Karlheinz Stockhausen.

Recording identifiers

ISRC
SE5DH2300309
CopyrightID (CopyrightChains transaction hash)
0x763a8865feb30ecb903cf3c38feb601025d4ed063dabdf1e7272a9553d1de593
Copyright registration time
2026-07-31T07:39:34+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T08:26:41Z
Bitcoin block
960368
Canonical record hash
sha256:d273c2d0d20651af52d876ebac4b2c34427bcfbc9a7e207c9225fe2d7e5bd1c9

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.