Sprachkurs Ostzonisch

Recording by Dietmar Wischmeyer.

Recording identifiers

ISRC
DED431401500
CopyrightID (CopyrightChains transaction hash)
0xec831a48e3323f056eb7697b51af97ff4501c85de5e4fc56d0a655072fcf1b80
Copyright registration time
2026-07-06T20:21:18+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:67c67cdccfa26cd9a9a144401d50f6169d2bc79d0f60da2349b68bf8e1160e25

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.