Pith Number

pith:7SJVCZ2V

pith:2011:7SJVCZ2VVG5BBGJ4R6VTWUTI3M

not attested not anchored not stored refs pending

On the approximation in the smoothed finite element method (SFEM)

Stephane PA Bordas, Sundararajan Natarajan

arxiv:1107.3729 v1 · 2011-07-19 · cs.NA · math.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{7SJVCZ2VVG5BBGJ4R6VTWUTI3M}

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	2026-05-18T04:17:16.136786Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc93516755a9ba10993c8fab3b5268db10e79789bfd2e89216b73399a484d8d1

Aliases

arxiv: 1107.3729 · arxiv_version: 1107.3729v1 · doi: 10.48550/arxiv.1107.3729 · pith_short_12: 7SJVCZ2VVG5B · pith_short_16: 7SJVCZ2VVG5BBGJ4 · pith_short_8: 7SJVCZ2V

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/7SJVCZ2VVG5BBGJ4R6VTWUTI3M \
  | 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: fc93516755a9ba10993c8fab3b5268db10e79789bfd2e89216b73399a484d8d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4458cbed1c2316b28b959caf63229d7e30a6959a45c7b4edecedf7e8e3d0424",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2011-07-19T14:46:28Z",
    "title_canon_sha256": "43e205995b415de96b959d2862f1035eb60f79e821b74c4dae86cd76aab2f8c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.3729",
    "kind": "arxiv",
    "version": 1
  }
}