Pith Number

pith:YYZEKHGP

pith:2018:YYZEKHGPX7I3QPNGD2GG7Y5GHA

not attested not anchored not stored refs pending

MultiMesh Finite Element Methods: Solving PDEs on Multiple Intersecting Meshes

Anders Logg, August Johansson, Benjamin Kehlet, Mats G. Larson

arxiv:1803.08741 v2 · 2018-03-23 · 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{YYZEKHGPX7I3QPNGD2GG7Y5GHA}

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	2026-05-18T00:07:17.858442Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c632451ccfbfd1b83da61e8c6fe3a6383f843406091f55f7af7a595dd06b9dd0

Aliases

arxiv: 1803.08741 · arxiv_version: 1803.08741v2 · doi: 10.48550/arxiv.1803.08741 · pith_short_12: YYZEKHGPX7I3 · pith_short_16: YYZEKHGPX7I3QPNG · pith_short_8: YYZEKHGP

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/YYZEKHGPX7I3QPNGD2GG7Y5GHA \
  | 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: c632451ccfbfd1b83da61e8c6fe3a6383f843406091f55f7af7a595dd06b9dd0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "288278dc1814afcacf455c02f96469f0351ee7f64e87c2348780d239083da600",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-03-23T11:14:18Z",
    "title_canon_sha256": "b0873878a76ba714582b1578d56cbb39442a7c9aae07804da214e350d7813708"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.08741",
    "kind": "arxiv",
    "version": 2
  }
}