Weißt du was du kannst

Recording by Walter Jurmann.

Recording identifiers

ISRC
DEMP80900001
CopyrightID (CopyrightChains transaction hash)
0x21465bd5f0d8c2d93f0d2ba2a2fb7f41b1b994824e329e8b9d5fdce34818cfca
Copyright registration time
2026-07-07T01:19:03+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:52590c15c9e6419728917c9358cb74f46b85aaf758df3dfa6000c8dfb37f0e08

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.