Pith Number

pith:XKTUWW2N

pith:2019:XKTUWW2NH75KIK2EMLDES24ZHN

not attested not anchored not stored refs pending

Structure-preserving geometric particle-in-cell algorithm suppresses finite-grid instability -- Comment on "Finite grid instability and spectral fidelity of the electrostatic Particle-In-Cell algorithm'' by Huang et al

Hong Qin, Jianyuan Xiao

arxiv:1904.00535 v1 · 2019-04-01 · physics.plasm-ph · 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{XKTUWW2NH75KIK2EMLDES24ZHN}

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	2026-05-17T23:49:48.175068Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

baa74b5b4d3ffaa42b4462c6496b993b6c89dc2ddeb42cc2fdd1b7d322c95c4c

Aliases

arxiv: 1904.00535 · arxiv_version: 1904.00535v1 · doi: 10.48550/arxiv.1904.00535 · pith_short_12: XKTUWW2NH75K · pith_short_16: XKTUWW2NH75KIK2E · pith_short_8: XKTUWW2N

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/XKTUWW2NH75KIK2EMLDES24ZHN \
  | 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: baa74b5b4d3ffaa42b4462c6496b993b6c89dc2ddeb42cc2fdd1b7d322c95c4c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4fe17045e322216a22f3242b87f51dbbf1871b5052b39c7c2837249dbda9b54",
    "cross_cats_sorted": [
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.plasm-ph",
    "submitted_at": "2019-04-01T02:05:29Z",
    "title_canon_sha256": "87d85fbf1251629cfa3e7bbdb1c983337d236cbe980c36f4e187823c11b9e04d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.00535",
    "kind": "arxiv",
    "version": 1
  }
}