Pith Number

pith:OVR54QSL

pith:2018:OVR54QSL2JVBXPCA6IQZTWEUOY

not attested not anchored not stored refs pending

A discrete maximum principle for the weak Galerkin finite element method on nonuniform rectangular partitions

Junping Wang, Yujie Liu

arxiv:1809.02957 v1 · 2018-09-09 · 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{OVR54QSL2JVBXPCA6IQZTWEUOY}

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	2026-05-18T00:06:10.508159Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7563de424bd26a1bbc40f22199d8947637879eeda7b1fdbeeffb94cf091e6b69

Aliases

arxiv: 1809.02957 · arxiv_version: 1809.02957v1 · doi: 10.48550/arxiv.1809.02957 · pith_short_12: OVR54QSL2JVB · pith_short_16: OVR54QSL2JVBXPCA · pith_short_8: OVR54QSL

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/OVR54QSL2JVBXPCA6IQZTWEUOY \
  | 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: 7563de424bd26a1bbc40f22199d8947637879eeda7b1fdbeeffb94cf091e6b69

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a8fc3a5e3dc41d1126e8a8bbcac394fdb18c61c1ba59ebe7c35d4df9e58d664",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-09-09T11:32:26Z",
    "title_canon_sha256": "bd3826b9c54966adf2196268a948dae1ff4948d7bc6e58bfd49ce0b1177d1c0f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.02957",
    "kind": "arxiv",
    "version": 1
  }
}