PTZK-001 — PROVENANCE MANIFEST

Artist: Sam Potozkin
Title: A Stalker in the Desert
Medium: Colored pencil on paper, 9 x 12 in
Completed: 06/05/2026
Registry ID: PTZK-001

Physical authentication:
NXP NTAG 424 DNA chip affixed to verso
Chip UID: 0x04126582E51690

Digital record (SHA-256):

original scan (pdf):
  d65eef8899993225b4c79ceb3230f314c539cff586a72c43d83fae6790840f28

masters (png):
  front: f557cd3b71e52e343ef5514e280335803ea7c53934de105a9497cdddc709af54
  back:  c5a30fd66c5930459dd1d521ca47de41ddc51937ec0f2323911b43e1079281df

public web images (jpg):
  front: 4745389ebfb4c396a2af1cae3cc9e4edede295ac2da5ba75e86cc3fc0bb944cf
  back:  da2f1ac86c456a617efdeef5756eefa4fb46c93f71ab9f0d0356e3ad36744264

Timestamp anchors: all files above anchored to Bitcoin via OpenTimestamps
on 2026-07-06. Public web images confirmed in Bitcoin block 956985.
Detached .ots proofs for every file are retained in the artist's archive
and verify independently at opentimestamps.org.

This document binds the above chip UID to the above artwork files.
The signed physical original bearing this chip is the unique (1/1) work.
Verification: see chip NDEF record.