Pith Number

pith:UJNZRMKQ

pith:2012:UJNZRMKQ67DJHJNLKHWZXSMNXN

not attested not anchored not stored refs pending

A well-balanced numerical scheme for a one dimensional quasilinear hyperbolic model of chemotaxis

Magali Ribot, Monika Twarogowska, Roberto Natalini

arxiv:1211.4010 v1 · 2012-11-16 · 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{UJNZRMKQ67DJHJNLKHWZXSMNXN}

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	2026-05-18T03:40:37.348043Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a25b98b150f7c693a5ab51ed9bc98dbb68ec483b93b11b332fb2a5321e0c591a

Aliases

arxiv: 1211.4010 · arxiv_version: 1211.4010v1 · doi: 10.48550/arxiv.1211.4010 · pith_short_12: UJNZRMKQ67DJ · pith_short_16: UJNZRMKQ67DJHJNL · pith_short_8: UJNZRMKQ

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/UJNZRMKQ67DJHJNLKHWZXSMNXN \
  | 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: a25b98b150f7c693a5ab51ed9bc98dbb68ec483b93b11b332fb2a5321e0c591a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a462cf4ceb91d58daaa8ba555705b8809a38c2c8c8f2d5a6c63030a81be07bfe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2012-11-16T20:24:10Z",
    "title_canon_sha256": "8c594efff6082a9daa57c65d4c74bcec36df6aa074795b8373e13af2bd079cae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.4010",
    "kind": "arxiv",
    "version": 1
  }
}