Von A bis Z

Recording by Hildegard Knef.

Recording identifiers

ISRC
DEF077203050
CopyrightID (CopyrightChains transaction hash)
0xcf5dcc8895503790ad195b5208df3c62b0a137c1bfc482033598b7164d489485
Copyright registration time
2026-07-07T22:18:17+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:e7c6648c68cc25eae3143a574321546c7852a2b0e386be25b2863b09896d8c84

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.