Pith Number

pith:IE2SZRKA

pith:2026:IE2SZRKA5OZ3K7EOGSB7SODO55

not attested not anchored not stored refs pending

Inverse Engineering of Optical Constants in Photochromic Micron-Scale Hybrid Films

Amin Tabatabaei Mohseni, Bahrem Serhat Danis, Esra Zayim, Smagul Karazhanov

arxiv:2602.16180 v2 · 2026-02-18 · physics.comp-ph · physics.app-ph · physics.optics

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IE2SZRKA5OZ3K7EOGSB7SODO55}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-15T01:20:55.813122Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41352cc540ebb3b57c8e3483f9386eef6065f2f390ca5b0c7607d64d7f430058

Aliases

arxiv: 2602.16180 · arxiv_version: 2602.16180v2 · doi: 10.48550/arxiv.2602.16180 · pith_short_12: IE2SZRKA5OZ3 · pith_short_16: IE2SZRKA5OZ3K7EO · pith_short_8: IE2SZRKA

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/IE2SZRKA5OZ3K7EOGSB7SODO55 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 41352cc540ebb3b57c8e3483f9386eef6065f2f390ca5b0c7607d64d7f430058

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97fc74d788920b1224eb386e5e0d95132487427a7e1d6f9bfb74dc0a2785f87f",
    "cross_cats_sorted": [
      "physics.app-ph",
      "physics.optics"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2026-02-18T04:37:41Z",
    "title_canon_sha256": "8ef484d6a1ded6d99a8e03b8a8892de28fda020af6445b779d36db7c9e36da07"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.16180",
    "kind": "arxiv",
    "version": 2
  }
}