Pith Number

pith:SROAMLJT

pith:2018:SROAMLJT4SXOM2VPR7XZXAMNGK

not attested not anchored not stored refs pending

An $H^2$(curl)-conforming finite element in 2D and its applications to the quad-curl problem

Lixiu Wang, Qian Zhang, Zhimin Zhang

arxiv:1805.02962 v1 · 2018-05-08 · 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{SROAMLJT4SXOM2VPR7XZXAMNGK}

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	2026-05-18T00:16:35.110012Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

945c062d33e4aee66aaf8fef9b818d32a6f13c75555deca6f5eed48719ea875b

Aliases

arxiv: 1805.02962 · arxiv_version: 1805.02962v1 · doi: 10.48550/arxiv.1805.02962 · pith_short_12: SROAMLJT4SXO · pith_short_16: SROAMLJT4SXOM2VP · pith_short_8: SROAMLJT

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/SROAMLJT4SXOM2VPR7XZXAMNGK \
  | 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: 945c062d33e4aee66aaf8fef9b818d32a6f13c75555deca6f5eed48719ea875b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae2083bae2eeaf4d3a1988203330e25d0c887fecfdcc147dc67f32e755e13b66",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-05-08T12:01:58Z",
    "title_canon_sha256": "53dff9951b660d7d7ac0dcb958cd851e4d5e7faa0947f1a5507c8ff5f0ac87a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.02962",
    "kind": "arxiv",
    "version": 1
  }
}