Heimweh nach Köln

Recording by Willi Ostermann.

Recording identifiers

ISRC
DEL111302097
CopyrightID (CopyrightChains transaction hash)
0x0e399c4e914ee8e580f85b033737bc71b106247516e2a28702d16be0bb43a0d4
Copyright registration time
2026-07-05T17:45:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:950d140a77ed84522b7a770b610038d303669b50cd04a925cbaa6b7ab2940ff7

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.