Pith Number

pith:UL66JPFG

pith:2014:UL66JPFGEOAXQLQGVHKJBGPIRW

not attested not anchored not stored refs pending

Discrete maximum principle for the weak Galerkin method for anisotropic diffusion problems

Weizhang Huang, Yanqiu Wang

arxiv:1401.6232 v2 · 2014-01-24 · 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{UL66JPFGEOAXQLQGVHKJBGPIRW}

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	2026-05-18T01:36:43.923703Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2fde4bca62381782e06a9d49099e88d8617093f0875466218539e3332065b26

Aliases

arxiv: 1401.6232 · arxiv_version: 1401.6232v2 · doi: 10.48550/arxiv.1401.6232 · pith_short_12: UL66JPFGEOAX · pith_short_16: UL66JPFGEOAXQLQG · pith_short_8: UL66JPFG

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/UL66JPFGEOAXQLQGVHKJBGPIRW \
  | 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: a2fde4bca62381782e06a9d49099e88d8617093f0875466218539e3332065b26

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c73e730cd24429e5c84e56eed7e042c79b87706d955e2d978ac1518c4c924741",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-01-24T00:54:26Z",
    "title_canon_sha256": "55a21637bebf3d543068cd2132ef0d0ee8dcff5ab8c2f32ecda0b0b960f6224a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.6232",
    "kind": "arxiv",
    "version": 2
  }
}