Kontakte, Pt. 2 - First Version

Recording by Karlheinz Stockhausen.

Recording identifiers

ISRC
FRS181237076
CopyrightID (CopyrightChains transaction hash)
0xaf9e4f21e260c2fdf4c46d489c9b4d3716f5da37cab50fefcc37c1c2bb538db5
Copyright registration time
2026-07-31T08:27:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T08:38:45Z
Bitcoin block
960370
Canonical record hash
sha256:2d859de880ab1ef736f4ea51aa238a258767d56f977e3bac68229925fdde96eb

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.