Zu zweit

Recording by Louis Held.

Recording identifiers

ISRC
FRX282358465
CopyrightID (CopyrightChains transaction hash)
0xf7dcb79af36b51452ab43d8e47379c6fa531bf4e7bd7ec26bd60da1b2073f6b4
Copyright registration time
2026-07-06T09:44:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T14:41:13Z
Bitcoin block
957050
Canonical record hash
sha256:de8e3cdd4eb3b0053569158c922096012d0b28b9ae4e311288810e5125c4191c

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.