Zweidrei

Recording by Michael Wollny.

Recording identifiers

ISRC
DEA891800104
CopyrightID (CopyrightChains transaction hash)
0x549359a7f262ac199aded3d47789f814f842cbc1bfadab6cc218d0b659efb6fc
Copyright registration time
2026-07-06T19:27:01+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:78468b9975c8d82c3c21a7da4e26158c74494bb4b3c20c3a1db72a39c73cda4b

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.