I Fahr Daimler (Der Ps-Walzer)

Recording by Wolle Kriwanek.

Recording identifiers

ISRC
DEF078002040
CopyrightID (CopyrightChains transaction hash)
0x81815bd31936c0a3c811b90dfaf189cba3c3ed6bcb17e7dffd1ce1d59c41aefa
Copyright registration time
2026-06-18T08:18:33+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:a7b5036216125e55192cdfc5cfaab9624724805c958a6f929ced0ab1a511535b

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.