Zügellos und frei

Recording by Stefanie Werger.

Recording identifiers

ISRC
ATB158600020
CopyrightID (CopyrightChains transaction hash)
0x429e4921f15102dfb12342184a23730fb1dacc25bdda31427dcf69b216848fda
Copyright registration time
2026-06-27T22:42:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T14:04:01Z
Bitcoin block
957046
Canonical record hash
sha256:ed66f63ade3a1e83a658d01000431fe67d41775b045e2c330fc412b246191640

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.