Der blade Bua

Recording by Ludwig Hirsch.

Recording identifiers

ISRC
ATF067800080
CopyrightID (CopyrightChains transaction hash)
0x7c6e86347f04e2197fae0363987903f1760bf486b629fce708fff8b722016c96
Copyright registration time
2026-06-20T18:40:03+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:7644994eedb0aff55d07340c822bfdbf967cc3ec1288ee4915291fc0df3b1cbd

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.