Hausaufgaben

Recording by Deine Freunde.

Recording identifiers

ISRC
DEUM71503267
CopyrightID (CopyrightChains transaction hash)
0xe12854454c143f4fc5259584bed983c91995ee48f6cce4457a6e187003fcbe7d

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T06:39:12Z
Bitcoin block
960216
Canonical record hash
sha256:daec5b2349794dad40a1531c0adf6204782fb483ad8e4fc61c91d7fb37f80273

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.