Sonderdezernat K 1

Recording by Martin Böttcher und sein Orchester.

Recording identifiers

ISRC
DEA610400186
CopyrightID (CopyrightChains transaction hash)
0x40f47dae645c4eb52c4d69333ec8b24c240d1851aa270cefebe65bbbfc2bfd22
Copyright registration time
2026-07-07T20:36:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:cdaa1a6bacaf19c05f77b27ab56ad36932063847a2edfd575d117841ced38aa8

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.