Klavierstück VIII

Recording by Karlheinz Stockhausen.

Recording identifiers

ISRC
SE5DH2300308
CopyrightID (CopyrightChains transaction hash)
0x59b0faf7f4c17d6241f22a1c825f2a6e7f802f32060a0278d2e4823758c7f09a
Copyright registration time
2026-07-31T04:43:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T05:17:02Z
Bitcoin block
960348
Canonical record hash
sha256:d7279ec46b34cd4b9e3341d4b261dbdafc5c44cdbc2f6ffed9f8f7c6f7e92ba6

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.