Pith Number

pith:XH22HWF3

pith:2020:XH22HWF3CZT4V55PNO6HRRWVFW

not attested not anchored not stored refs pending

A quasi-static particle-in-cell algorithm based on an azimuthal Fourier decomposition for highly efficient simulations of plasma-based acceleration: QPAD

Fei Li, Mark J. Hogan, Viktor K. Decyk, Warren B. Mori, Weiming An, Xinlu Xu

arxiv:2002.08494 v1 · 2020-02-19 · physics.comp-ph · physics.acc-ph · physics.plasm-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{XH22HWF3CZT4V55PNO6HRRWVFW}

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	2026-07-05T02:11:43.885195Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b9f5a3d8bb1667caf7af6bbc78c6d52d892b55bb11171c7cc467c12f58e4beb9

Aliases

arxiv: 2002.08494 · arxiv_version: 2002.08494v1 · doi: 10.48550/arxiv.2002.08494 · pith_short_12: XH22HWF3CZT4 · pith_short_16: XH22HWF3CZT4V55P · pith_short_8: XH22HWF3

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/XH22HWF3CZT4V55PNO6HRRWVFW \
  | 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: b9f5a3d8bb1667caf7af6bbc78c6d52d892b55bb11171c7cc467c12f58e4beb9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34f6b858843ad3f409e2b47705d5082b2824046f8b9149d1ac961bba38d749e7",
    "cross_cats_sorted": [
      "physics.acc-ph",
      "physics.plasm-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2020-02-19T23:20:14Z",
    "title_canon_sha256": "5a8e46e9a0b930cc3fb2c3a9926ef532f15ad07a4cac90cbda691bbbd0a562d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.08494",
    "kind": "arxiv",
    "version": 1
  }
}