Pith Number

pith:JHKBHGKN

pith:2026:JHKBHGKNO7HVQHOCEE62FPXMSG

not attested not anchored not stored refs pending

Second-Order Area/Volume-Preserving PFEMs for Surface Diffusion via Simpson--Boole Geometric Identities

Jiwei Jia, Lian Zhang, Zhiqing Pan

arxiv:2606.29195 v1 · 2026-06-28 · math.NA · cs.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{JHKBHGKNO7HVQHOCEE62FPXMSG}

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	2026-06-30T01:17:56.761852Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

49d413994d77cf581dc2213da2beec9187494c898cf7300ee9d1c2eddfa6db84

Aliases

arxiv: 2606.29195 · arxiv_version: 2606.29195v1 · doi: 10.48550/arxiv.2606.29195 · pith_short_12: JHKBHGKNO7HV · pith_short_16: JHKBHGKNO7HVQHOC · pith_short_8: JHKBHGKN

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/JHKBHGKNO7HVQHOCEE62FPXMSG \
  | 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: 49d413994d77cf581dc2213da2beec9187494c898cf7300ee9d1c2eddfa6db84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "afad3e9b6db4f373510f42282a91618b628995b8edc1cd0995102a7198e4a1a6",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-06-28T04:45:50Z",
    "title_canon_sha256": "8247ff9734c9061879770359eae119bdaf537f1735688a02d01e1e3f938eec25"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.29195",
    "kind": "arxiv",
    "version": 1
  }
}