Freiheit

Recording by Hans-Ulrich Pohl.

Recording identifiers

ISRC
DENM12000159
CopyrightID (CopyrightChains transaction hash)
0x991abd3f24167bbb06b7cb8be4e86567c919fe47e8634c25ed96c52085c9ab26
Copyright registration time
2026-06-22T11:46:15+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:068bb5866411d41cc684acd5ec52a331b8cb61203dcf572159d504b6ea422930

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.