Pith Number

pith:KSU2J7GT

pith:2016:KSU2J7GT65WBLDSFC7BVXW2EDZ

not attested not anchored not stored refs pending

A study on nonnegativity preservation in finite element approximation of Nagumo-type nonlinear differential equations

Weizhang Huang, Xianping Li

arxiv:1610.02741 v3 · 2016-10-09 · math.NA · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KSU2J7GT65WBLDSFC7BVXW2EDZ}

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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	2026-06-04T18:10:05.628031Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

54a9a4fcd3f76c158e4517c35bdb441e4e4e764e15a67e98b406abe75aaac74f

Aliases

arxiv: 1610.02741 · arxiv_version: 1610.02741v3 · doi: 10.48550/arxiv.1610.02741 · pith_short_12: KSU2J7GT65WB · pith_short_16: KSU2J7GT65WBLDSF · pith_short_8: KSU2J7GT

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/KSU2J7GT65WBLDSFC7BVXW2EDZ \
  | 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: 54a9a4fcd3f76c158e4517c35bdb441e4e4e764e15a67e98b406abe75aaac74f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "894511544f963b26345cf5c32a1532e4d3176d9ba953ba3f8f986dd08dddc413",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-10-09T23:31:50Z",
    "title_canon_sha256": "1291f5653050543dffa6ad734250aeec350471edce0acad4c8b1af8cc2e34207"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.02741",
    "kind": "arxiv",
    "version": 3
  }
}