Einmal

Recording by Klausjürgen Wussow.

Recording identifiers

ISRC
USWD10629522
CopyrightID (CopyrightChains transaction hash)
0xcd818cd1c0201b539b3e60fe7c988fcee4c1a7d9e850bd8398ea3ff2b5a55982
Copyright registration time
2026-06-08T00:49:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:1cb7c5fda3e0c77f3874c173f1abc36ca5cf31551c438ab25f2be2a75d8db4ac

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.