Pith Number

pith:K2FGBHVL

pith:2019:K2FGBHVLTNAZB6RSOBWAYI5UE2

not attested not anchored not stored refs pending

Electromagnetic modeling of near-field phase-shifting contact lithography with broadband ultraviolet illumination

Akhlesh Lakhtakia, Fei Wang, Katherine E. Weaver, Mark W. Horn

arxiv:1909.13618 v1 · 2019-08-17 · 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{K2FGBHVLTNAZB6RSOBWAYI5UE2}

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	2026-07-05T00:10:44.977617Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

568a609eab9b4190fa32706c0c23b426830d0b4893e47bef1a978231b27fd41f

Aliases

arxiv: 1909.13618 · arxiv_version: 1909.13618v1 · doi: 10.48550/arxiv.1909.13618 · pith_short_12: K2FGBHVLTNAZ · pith_short_16: K2FGBHVLTNAZB6RS · pith_short_8: K2FGBHVL

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/K2FGBHVLTNAZB6RSOBWAYI5UE2 \
  | 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: 568a609eab9b4190fa32706c0c23b426830d0b4893e47bef1a978231b27fd41f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9225f0a1ec6819211713a4cdeef6009d0af6f04b6bd687926dd3cdfdb67cbfa3",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2019-08-17T05:55:38Z",
    "title_canon_sha256": "e79bf35be0304a684df8d24dde29d2455d08df16a381f5edad1869c71d1230f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.13618",
    "kind": "arxiv",
    "version": 1
  }
}