Model 41

Recording by Karlheinz Stockhausen.

Recording identifiers

ISRC
UKA682100040
CopyrightID (CopyrightChains transaction hash)
0x67415fa760dd26805fc76584ba3ade7e465a5bd516dd9a7f5a5cb7d7e9aee550
Copyright registration time
2026-07-07T22:09:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T08:56:20Z
Bitcoin block
957145
Canonical record hash
sha256:adcd2863eff339cdf29cd1703ab224d8fd5a7077b4cf107af5bc2e99d404d72b

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.