I wü frei sein

Recording by Wolfgang Ambros.

Recording identifiers

ISRC
DEA439400049
CopyrightID (CopyrightChains transaction hash)
0x55bb9032212bea24024d0fd125f0449598e418db0b3114e4af2e46b9cd08357a

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T17:26:40Z
Bitcoin block
960285
Canonical record hash
sha256:6ac2ea13980d02a3e23c39617ca2de7bb5d09cb1737d680ccdac96ff215e182f

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.