Der Pinguin

Recording by Ludwig Hirsch.

Recording identifiers

ISRC
ATUM70800071
CopyrightID (CopyrightChains transaction hash)
0x021938cc62bd84cc10a0b36355d5a56ac4c087bcfaa01a1508d2eef22ad18f35
Copyright registration time
2026-08-01T00:03:15+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-08-01T00:10:46Z
Bitcoin block
960485
Canonical record hash
sha256:1893083476d71485da31b20e51213136f740d0d237a8ae6db601ea00b5f4f2c2

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.