Pith Number

pith:56EVYFZX

pith:2018:56EVYFZXN6ODVIUTKHXFL6VWKH

not attested not anchored not stored refs pending

A MultiMesh Finite Element Method for the Stokes Problem

Anders Logg, August Johansson, Mats G. Larson

arxiv:1805.00110 v1 · 2018-04-30 · 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{56EVYFZXN6ODVIUTKHXFL6VWKH}

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	2026-05-18T00:17:10.524826Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef895c17376f9c3aa29351ee55fab651d2565c80dd2a78de62555fae3834e9b6

Aliases

arxiv: 1805.00110 · arxiv_version: 1805.00110v1 · doi: 10.48550/arxiv.1805.00110 · pith_short_12: 56EVYFZXN6OD · pith_short_16: 56EVYFZXN6ODVIUT · pith_short_8: 56EVYFZX

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/56EVYFZXN6ODVIUTKHXFL6VWKH \
  | 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: ef895c17376f9c3aa29351ee55fab651d2565c80dd2a78de62555fae3834e9b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cabc795d49c7830b968622b33416d65595c141348e2592aca87e5e4700fa4303",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-04-30T21:47:20Z",
    "title_canon_sha256": "6de546293626add92fc77608f4e2193a4a75fa425dac4b365dc9c646f8d27aea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.00110",
    "kind": "arxiv",
    "version": 1
  }
}