I wü frei sein

Recording by Wolfgang Ambros.

Recording identifiers

ISRC
DEA438050028
CopyrightID (CopyrightChains transaction hash)
0xf1ce3a3ca94ca9400f6ac32f31677eaf22e2531636f0f4d57a61e7dfe27b03ba
Copyright registration time
2026-07-29T12:00:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T12:35:17Z
Bitcoin block
960105
Canonical record hash
sha256:6637f47f062ba83f9d17ea645ed2007260300240ea0701ee7f8ac1944300c6bc

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.