Pith Number

pith:PPCSZ6NK

pith:2013:PPCSZ6NKRSWSGYICPI3ZVXDDYF

not attested not anchored not stored refs pending

Meshfree finite differences for vector Poisson and pressure Poisson equations with electric boundary conditions

Benjamin Seibold, David Shirokoff, Dong Zhou, Prince Chidyagwai, Rodolfo Ruben Rosales

arxiv:1312.4223 v1 · 2013-12-16 · math.NA · cs.NA · physics.comp-ph · physics.flu-dyn

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PPCSZ6NKRSWSGYICPI3ZVXDDYF}

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	2026-06-04T14:09:19.624857Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7bc52cf9aa8cad2361027a379adc63c1476680cca711e5b55f8345b1971ee541

Aliases

arxiv: 1312.4223 · arxiv_version: 1312.4223v1 · doi: 10.48550/arxiv.1312.4223 · pith_short_12: PPCSZ6NKRSWS · pith_short_16: PPCSZ6NKRSWSGYIC · pith_short_8: PPCSZ6NK

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/PPCSZ6NKRSWSGYICPI3ZVXDDYF \
  | 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: 7bc52cf9aa8cad2361027a379adc63c1476680cca711e5b55f8345b1971ee541

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1dfcaba6432202d19cba113f33e5797ca4f181f3ae3aa59cab31f7d317f479f8",
    "cross_cats_sorted": [
      "cs.NA",
      "physics.comp-ph",
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-12-16T01:41:03Z",
    "title_canon_sha256": "3f2816b244a4e51b63257c81db115711d25ac41e5a27fb9ee6363b630d6f87d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.4223",
    "kind": "arxiv",
    "version": 1
  }
}