Model 8

Recording by Karlheinz Stockhausen.

Recording identifiers

ISRC
UKA682100007
CopyrightID (CopyrightChains transaction hash)
0x361e4654c56031feb21c65108b0f5495279e878e865de1fe80564e7aee5711af
Copyright registration time
2026-07-29T17:08:00+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T21:09:47Z
Bitcoin block
960144
Canonical record hash
sha256:023905e6999a456a56795fede12292ce9c0349db77225b3f5dbc1ccb12215594

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.