Pith Number

pith:67F2BSRN

pith:2026:67F2BSRNOOFY2TS3NWA3MQ37CT

not attested not anchored not stored refs pending

A high-order nodally bound-preserving and mass-conservative method for linear fourth-order elliptic problems and its applications to nonlinear parabolic equations

Jie Shen, Zuodong Wang

arxiv:2605.23486 v1 · 2026-05-22 · 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{67F2BSRNOOFY2TS3NWA3MQ37CT}

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	2026-05-25T02:01:57.261449Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7cba0ca2d738b8d4e5b6d81b6437f14d656a941b0f5179dcec5f354f54f0f46

Aliases

arxiv: 2605.23486 · arxiv_version: 2605.23486v1 · doi: 10.48550/arxiv.2605.23486 · pith_short_12: 67F2BSRNOOFY · pith_short_16: 67F2BSRNOOFY2TS3 · pith_short_8: 67F2BSRN

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/67F2BSRNOOFY2TS3NWA3MQ37CT \
  | 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: f7cba0ca2d738b8d4e5b6d81b6437f14d656a941b0f5179dcec5f354f54f0f46

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09be818225b782c0e5ee4f6ed59632d968d3c7231a066ab12ec13c27fea6da06",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-05-22T10:45:01Z",
    "title_canon_sha256": "3c83d9db74e6facd1bcfcdc09a6687d5c5f3e236fe0ac7414a2aa2a14888f937"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.23486",
    "kind": "arxiv",
    "version": 1
  }
}