Schmutzfilm

Recording by Ritter Lean.

Recording identifiers

ISRC
DE1FB2300148
CopyrightID (CopyrightChains transaction hash)
0x787534cf1f8b87379644bc01853734d3b1ac4cb5333b6a73a6927614141c7fbf
Copyright registration time
2026-06-04T10:43:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:63317c20d4df59252363bcb5a7bbc0910a5294204df4c8d905b9c911d507a0b4

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.