PTZK-002 — PROVENANCE MANIFEST

Artist: Sam Potozkin
Title: Rainslinger
Medium: Colored pencil on paper, 9 x 12 in
Completed: 06/20/2026
Registry ID: PTZK-002

Physical authentication:
NXP NTAG 424 DNA chip affixed to verso
Chip UID: 0x04C76282E51690

Digital record (SHA-256):

original scan (pdf):
  f464b326cfe83473c885a858d1309f26e2f877c67b82f5ff1d3f334aee58f54c

masters (png):
  front: c38154cb87d02e5718250e1157d05cc050ee765e4e03375ffedef8a532614ce8
  back:  e1446ae4321ca5c4bde8dd4831bc172a300fb44a225691c70188a4a5f13b141e

public web images (jpg):
  front: 20035f4850428a667e6beb118f1de9a2d25b09eec76621b2c91bf7850ced5740
  back:  4427697d515c56da8e37688a604b8d96c7bd048f7e2f74388be72f7b08853796

Timestamp anchors: all files above anchored to Bitcoin via OpenTimestamps
on 2026-07-06. Public web images confirmed in Bitcoin block 956991.
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.