Hinter der Maske

Recording by Kopf.

Recording identifiers

ISRC
QZNWQ2187222
CopyrightID (CopyrightChains transaction hash)
0x19efba6b5b53159b27153cfac9d06313cd1ab11606b4602c3315d2b1532f2366
Copyright registration time
2026-06-20T09:06:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:dcb27e35e76266eeb821744d527dcac6645d7618608c6b469067cc2bb5e90b30

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.