Pith Number

pith:3UH22IRE

pith:2013:3UH22IREKNJFUFWLVVPBTJSPJM

not attested not anchored not stored refs pending

Asymptotic Preserving scheme for strongly anisotropic parabolic equations for arbitrary anisotropy direction

Jacek Narski, Maurizio Ottaviani

arxiv:1303.5219 v3 · 2013-03-21 · 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{3UH22IREKNJFUFWLVVPBTJSPJM}

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	2026-05-18T01:50:59.962879Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd0fad222453525a16cbad5e19a64f4b214099353d72675edf5891b2951e98ce

Aliases

arxiv: 1303.5219 · arxiv_version: 1303.5219v3 · doi: 10.48550/arxiv.1303.5219 · pith_short_12: 3UH22IREKNJF · pith_short_16: 3UH22IREKNJFUFWL · pith_short_8: 3UH22IRE

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/3UH22IREKNJFUFWLVVPBTJSPJM \
  | 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: dd0fad222453525a16cbad5e19a64f4b214099353d72675edf5891b2951e98ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e59ea1eacce7c644f1b24dd6e044f20e6cf1e861d59a2edfbf145d49061ea4cc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-03-21T10:31:27Z",
    "title_canon_sha256": "1e06e3416e66cdeb4985ceddb07cf5fee68897d9754c38bd49a7e4fa73a58ced"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.5219",
    "kind": "arxiv",
    "version": 3
  }
}