Pith Number

pith:CAXGJUEG

pith:2013:CAXGJUEGQRR5DSQ6LDWF2SJKIW

not attested not anchored not stored refs pending

A study on the conditioning of finite element equations with arbitrary anisotropic meshes via a density function approach

Lennard Kamenski, Weizhang Huang

arxiv:1302.6868 v2 · 2013-02-27 · 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{CAXGJUEGQRR5DSQ6LDWF2SJKIW}

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	2026-05-17T23:46:56.080393Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

102e64d0868463d1ca1e58ec5d492a4593842ebfff2ebb08449a014da4a13576

Aliases

arxiv: 1302.6868 · arxiv_version: 1302.6868v2 · doi: 10.48550/arxiv.1302.6868 · pith_short_12: CAXGJUEGQRR5 · pith_short_16: CAXGJUEGQRR5DSQ6 · pith_short_8: CAXGJUEG

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/CAXGJUEGQRR5DSQ6LDWF2SJKIW \
  | 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: 102e64d0868463d1ca1e58ec5d492a4593842ebfff2ebb08449a014da4a13576

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65a1a2463dbc7a912acdbe157043fbd5defca6aa9cc5ed5f57d1155dda41c721",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-02-27T14:58:18Z",
    "title_canon_sha256": "60d651d5c276634fb7072c5acf68f1e51bc0c4cc51eb00cce0f6dd154474cf2c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.6868",
    "kind": "arxiv",
    "version": 2
  }
}