Literaturcafé II

Recording by Oliver Kalkofe.

Recording identifiers

ISRC
DEXO52431461
CopyrightID (CopyrightChains transaction hash)
0xd0b9162612a49f36e00a6e86fdbed5d2fbf42228527292f0108e1fc521d50ea9
Copyright registration time
2026-07-31T16:09:23+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T16:33:26Z
Bitcoin block
960435
Canonical record hash
sha256:06a75bda12f0a1561d0f0ab59a46729cf3edebf6524affec8faa8315bf02f857

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.