Uf und ab

Recording by Kaufmann.

Recording identifiers

ISRC
CH1081700374
CopyrightID (CopyrightChains transaction hash)
0x67f8f493435f49923dc0cab1be6f1b316bcab97611fbe6c56bce1268f02f89a4
Copyright registration time
2026-07-07T23:46:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:a9fda40e7d776819468ba700f950a5aa05abf20551638c069c08251a4bfd561b

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.