U-Bahn

Recording by Blümchen.

Recording identifiers

ISRC
DEBL60605274
CopyrightID (CopyrightChains transaction hash)
0x181a1f496517baa127aecb60b0181300b85bc7e11016357a50b8c0bb9f4c6748
Copyright registration time
2026-07-31T01:23:09+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T02:19:15Z
Bitcoin block
960334
Canonical record hash
sha256:5f49dd9c74365d5124a544233fce16db4a854f1c315bbb1453da4f8cdd51ac4c

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.