Pith Number

pith:ULFIVP3G

pith:2026:ULFIVP3GWCIL3D3CFP2A4IBE2J

not attested not anchored not stored refs pending

Material selection for mid-infrared thin-film coatings and windows

Hongyan Mei, Jin-Woo Cho, Mikhail A. Kats, Tanuj Kumar

arxiv:2605.29079 v1 · 2026-05-27 · physics.optics · cond-mat.mtrl-sci · physics.app-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ULFIVP3GWCIL3D3CFP2A4IBE2J}

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	2026-05-29T01:05:17.252053Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2ca8abf66b090bd8f622bf40e2024d26152b600df1b6d79f0d814f7a89ac46e

Aliases

arxiv: 2605.29079 · arxiv_version: 2605.29079v1 · doi: 10.48550/arxiv.2605.29079 · pith_short_12: ULFIVP3GWCIL · pith_short_16: ULFIVP3GWCIL3D3C · pith_short_8: ULFIVP3G

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/ULFIVP3GWCIL3D3CFP2A4IBE2J \
  | 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: a2ca8abf66b090bd8f622bf40e2024d26152b600df1b6d79f0d814f7a89ac46e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e431f6dacd2b1ca12e314f067e5622121ee2c8f1c2199377d8e6b6e7555548f9",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci",
      "physics.app-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2026-05-27T20:30:23Z",
    "title_canon_sha256": "1b9356d5be075b799a4b50cd2e3866194ecd7a2683e26f9dc682b64ae781fb4c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.29079",
    "kind": "arxiv",
    "version": 1
  }
}