Eins und eins, das macht zwei

Recording by Hildegard Knef.

Recording identifiers

ISRC
DEA619350160
CopyrightID (CopyrightChains transaction hash)
0x083b68f6e3fc7fb8bce8671bedc50f26abfe6d35353eebb1d98e6d1cc3be8e8f
Copyright registration time
2026-06-07T08:17:26+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:38fd02dc75851e36aa8525844573e21373098969f35d785dc32aae8dc08022c4

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.