Pith Number

pith:YHQBGPBY

pith:2018:YHQBGPBYFVE4W3VFSLHEW2ETPJ

not attested not anchored not stored refs pending

Superconvergence of Numerical Gradient for Weak Galerkin Finite Element Methods on Nonuniform Cartesian Partitions in Three Dimensions

Chunmei Wang, Dan Li, Yufeng Nie

arxiv:1810.08084 v1 · 2018-10-18 · 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{YHQBGPBYFVE4W3VFSLHEW2ETPJ}

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	2026-05-18T00:02:50.615912Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c1e0133c382d49cb6ea592ce4b68937a58d5aa92794fd45c04031630c17f7267

Aliases

arxiv: 1810.08084 · arxiv_version: 1810.08084v1 · doi: 10.48550/arxiv.1810.08084 · pith_short_12: YHQBGPBYFVE4 · pith_short_16: YHQBGPBYFVE4W3VF · pith_short_8: YHQBGPBY

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/YHQBGPBYFVE4W3VFSLHEW2ETPJ \
  | 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: c1e0133c382d49cb6ea592ce4b68937a58d5aa92794fd45c04031630c17f7267

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea2e6f611d02cc5a172af138a9fac4b8f9baafa82afc1c415629fa26965a866b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-10-18T14:36:43Z",
    "title_canon_sha256": "be59552f4a51f82d23633d52545a663728e0169a87cd77ced3a0880f77c587f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.08084",
    "kind": "arxiv",
    "version": 1
  }
}