Pith Number

pith:KNVPXETV

pith:2019:KNVPXETVMLZW5OGSYJO3KRXNNZ

not attested not anchored not stored refs pending

A hybridizable discontinuous Galerkin method for the quad-curl problem

Gang Chen, Jintao Cui, Liwei Xu

arxiv:1902.09349 v1 · 2019-02-22 · 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{KNVPXETVMLZW5OGSYJO3KRXNNZ}

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	2026-05-17T23:52:45.997183Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

536afb927562f36eb8d2c25db546ed6e663d06d3cf52b908e692c5f1f15418be

Aliases

arxiv: 1902.09349 · arxiv_version: 1902.09349v1 · doi: 10.48550/arxiv.1902.09349 · pith_short_12: KNVPXETVMLZW · pith_short_16: KNVPXETVMLZW5OGS · pith_short_8: KNVPXETV

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/KNVPXETVMLZW5OGSYJO3KRXNNZ \
  | 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: 536afb927562f36eb8d2c25db546ed6e663d06d3cf52b908e692c5f1f15418be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96b05b18038da1d2d22a5b23a8c6ddeb6cf4a1f915a9af32f51a43b50a205232",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-02-22T08:25:18Z",
    "title_canon_sha256": "c9cf6675c0a5a0d6bed21c61d910e57f778b33dd2fb15551af94ba3cdf48266c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.09349",
    "kind": "arxiv",
    "version": 1
  }
}