Ein Zeichen

Recording by City.

Recording identifiers

ISRC
DEUM71703249
CopyrightID (CopyrightChains transaction hash)
0x6572fe316ec8bd4ae79bbeeb29864bf550a61c423432e22f8ccdda2a29a0edb2
Copyright registration time
2026-07-30T15:59:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T17:23:26Z
Bitcoin block
960284
Canonical record hash
sha256:667fe7728153509ecc0d7425c134f18571f6af7ce07f1713da85ad919b7e8314

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.