Pith Number

pith:ZWAOOCRE

pith:2019:ZWAOOCREERK3FVF64ZZCWFDVUG

not attested not anchored not stored refs pending

A Fully Lagrangian Meshfree Framework for PDEs on Evolving Surfaces

Joerg Kuhnert, Pratik Suchde

arxiv:1902.08107 v2 · 2019-02-21 · math.NA · cs.NA · 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{ZWAOOCREERK3FVF64ZZCWFDVUG}

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	2026-05-17T23:42:58.473398Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd80e70a242455b2d4bee6722b1475a1a09c73654cfc34963c40d789a967ee85

Aliases

arxiv: 1902.08107 · arxiv_version: 1902.08107v2 · doi: 10.48550/arxiv.1902.08107 · pith_short_12: ZWAOOCREERK3 · pith_short_16: ZWAOOCREERK3FVF6 · pith_short_8: ZWAOOCRE

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/ZWAOOCREERK3FVF64ZZCWFDVUG \
  | 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: cd80e70a242455b2d4bee6722b1475a1a09c73654cfc34963c40d789a967ee85

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ff23a2d2f32cd7f733c923bd61da942d6bcd39db1a46e80d6ea09226354bcfa",
    "cross_cats_sorted": [
      "cs.NA",
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-02-21T15:49:01Z",
    "title_canon_sha256": "216593557745dd8e193fe6340f54d0a113f412411274f3460857fae7139a4628"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.08107",
    "kind": "arxiv",
    "version": 2
  }
}