Hold Din Kæft

Recording by Carl Knast.

Recording identifiers

ISRC
DKUM72100219
CopyrightID (CopyrightChains transaction hash)
0x334cb5d8fe65d9519b27520ff78ed991b41092ee13cafc8c866e6f3d89c9d167
Copyright registration time
2026-06-10T22:29:44+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:8d8e4b5c04f740610fed2c7cb0e81f90f66a3c86b22c914603c1d7dfc2742f36

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.