Model 27

Recording by Karlheinz Stockhausen.

Recording identifiers

ISRC
UKA682100026
CopyrightID (CopyrightChains transaction hash)
0x171a013189d39faa6a539841f5bd475ac0cc5d0b1b7ef6936783151f345f3df4
Copyright registration time
2026-07-31T06:42:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T06:58:00Z
Bitcoin block
960362
Canonical record hash
sha256:9d40879dfb079d70f8cac3a487b2d20c0babcfa56282ca697c1072fe9fa31351

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.