Pith Number

pith:VUXFYM23

pith:2022:VUXFYM23QB26UC76SHUXRLVFSB

not attested not anchored not stored refs pending

A structure-preserving finite element approximation of surface diffusion for curve networks and surface clusters

Harald Garcke, Quan Zhao, Robert N\"urnberg, Weizhu Bao

arxiv:2202.06775 v2 · 2022-02-14 · math.NA · cs.NA · physics.comp-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VUXFYM23QB26UC76SHUXRLVFSB}

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	2026-07-05T05:13:05.617048Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad2e5c335b8075ea0bfe91e978aea5907f6be247dfb387687ee4f9dceff1ecf1

Aliases

arxiv: 2202.06775 · arxiv_version: 2202.06775v2 · doi: 10.48550/arxiv.2202.06775 · pith_short_12: VUXFYM23QB26 · pith_short_16: VUXFYM23QB26UC76 · pith_short_8: VUXFYM23

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/VUXFYM23QB26UC76SHUXRLVFSB \
  | 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: ad2e5c335b8075ea0bfe91e978aea5907f6be247dfb387687ee4f9dceff1ecf1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f08c1963402b3d6a0b9658accd8acec5da4f29b797ec7311a8c1602882f36a3",
    "cross_cats_sorted": [
      "cs.NA",
      "physics.comp-ph"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2022-02-14T14:54:55Z",
    "title_canon_sha256": "a2ea9c802f715fcea5bcffd6ac26cb3df5b019658b74c0736e802cb7f01935aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.06775",
    "kind": "arxiv",
    "version": 2
  }
}