Pith Number

pith:MKGTQY22

pith:2013:MKGTQY227SZNTSHKGKWIOSOWYT

not attested not anchored not stored refs pending

Nano-Optical Device Design with the Use of Open-Source Parallel Version FDTD and Commercial Finite Element Package

K. Chang, Y. Liu

arxiv:1302.5489 v1 · 2013-02-22 · physics.comp-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{MKGTQY227SZNTSHKGKWIOSOWYT}

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	2026-05-18T03:32:46.666365Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

628d38635afcb2d9c8ea32ac8749d6c4c55a649cdc9f3f34f95ff49753fbd59c

Aliases

arxiv: 1302.5489 · arxiv_version: 1302.5489v1 · doi: 10.48550/arxiv.1302.5489 · pith_short_12: MKGTQY227SZN · pith_short_16: MKGTQY227SZNTSHK · pith_short_8: MKGTQY22

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/MKGTQY227SZNTSHKGKWIOSOWYT \
  | 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: 628d38635afcb2d9c8ea32ac8749d6c4c55a649cdc9f3f34f95ff49753fbd59c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63d123d946def132a9d25c9798aad639fc86cf6548e89a9d3699fcf1de5f55d7",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2013-02-22T06:02:58Z",
    "title_canon_sha256": "c479f0f2f7b9637aae24095117c1b56e0a17ca1103b17bfd36492b8790e75d9d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.5489",
    "kind": "arxiv",
    "version": 1
  }
}