Pith Number

pith:LQOBUJRU

pith:2019:LQOBUJRUA4SNKZXXFYPR7GMXT7

not attested not anchored not stored refs pending

A convergent linearized Lagrange finite element method for the magneto-hydrodynamic equations in 2D nonsmooth and nonconvex domains

Buyang Li, Jilu Wang, Liwei Xu

arxiv:1902.04276 v2 · 2019-02-12 · 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{LQOBUJRUA4SNKZXXFYPR7GMXT7}

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	2026-05-17T23:51:41.737508Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5c1c1a26340724d566f72e1f1f99979fdeed1439fd9d5b84821d99cdb52629a0

Aliases

arxiv: 1902.04276 · arxiv_version: 1902.04276v2 · doi: 10.48550/arxiv.1902.04276 · pith_short_12: LQOBUJRUA4SN · pith_short_16: LQOBUJRUA4SNKZXX · pith_short_8: LQOBUJRU

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/LQOBUJRUA4SNKZXXFYPR7GMXT7 \
  | 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: 5c1c1a26340724d566f72e1f1f99979fdeed1439fd9d5b84821d99cdb52629a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6859ca4602e6ccaf38347f10e7e55b5a726f995b4ee1c67cd9e7e671609fbaa8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-02-12T08:03:58Z",
    "title_canon_sha256": "08393e636f1c0d758acfaba787a445701020cc41127624130e23e56ef50490d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.04276",
    "kind": "arxiv",
    "version": 2
  }
}