Pith Number

pith:VKP6ZVQU

pith:2009:VKP6ZVQU62IC6RCZKTJQYKMEHZ

not attested not anchored not stored refs pending

Full-wave parallel dispersive finite-difference time-domain modeling of three-dimensional electromagnetic cloaking structures

Yang Hao, Yan Zhao

arxiv:0903.4204 v1 · 2009-03-24 · physics.comp-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{VKP6ZVQU62IC6RCZKTJQYKMEHZ}

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	2026-05-18T02:14:26.129288Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa9fecd614f6902f445954d30c29843e4ccd31c76590eef80d75baf43f838dcf

Aliases

arxiv: 0903.4204 · arxiv_version: 0903.4204v1 · doi: 10.48550/arxiv.0903.4204 · pith_short_12: VKP6ZVQU62IC · pith_short_16: VKP6ZVQU62IC6RCZ · pith_short_8: VKP6ZVQU

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/VKP6ZVQU62IC6RCZKTJQYKMEHZ \
  | 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: aa9fecd614f6902f445954d30c29843e4ccd31c76590eef80d75baf43f838dcf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1946a7c9bb87f046ea62aa2b2de15e12b145e12150a24486eb3cc6a35819f88e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2009-03-24T21:46:34Z",
    "title_canon_sha256": "c6383d3148ad04266bf7eaa6336f25cc2dafee056c2650603732d8f2f412ad05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.4204",
    "kind": "arxiv",
    "version": 1
  }
}