Model 44

Recording by Karlheinz Stockhausen.

Recording identifiers

ISRC
UKA682100043
CopyrightID (CopyrightChains transaction hash)
0x75dafe6a729db41d50345b4eee1ccff63d556959a71c807be0f1bbafbec3a81b
Copyright registration time
2026-07-07T16:00:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:ff2e7a549aafcd7ca09d547b30f125dd2d65e06252ed013985590e09c586cd75

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.