Pith Number

pith:67JCILYD

pith:2010:67JCILYD56XVMZLIOBRVHPLSAK

not attested not anchored not stored refs pending

A finite volume scheme for convection-diffusion equations with nonlinear diffusion derived from the Scharfetter-Gummel scheme

Marianne Bessemoulin-Chatard

arxiv:1011.2299 v2 · 2010-11-10 · 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{67JCILYD56XVMZLIOBRVHPLSAK}

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	2026-05-18T04:02:50.419424Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7d2242f03efaf566568706353bd720294b74254937c1e556bf287faa7d81209

Aliases

arxiv: 1011.2299 · arxiv_version: 1011.2299v2 · doi: 10.48550/arxiv.1011.2299 · pith_short_12: 67JCILYD56XV · pith_short_16: 67JCILYD56XVMZLI · pith_short_8: 67JCILYD

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/67JCILYD56XVMZLIOBRVHPLSAK \
  | 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: f7d2242f03efaf566568706353bd720294b74254937c1e556bf287faa7d81209

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e317e176502252d65c3a2c661d533ab90c0950aa1e4a1f151a84f946fe9baea6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2010-11-10T08:22:10Z",
    "title_canon_sha256": "5bd83b45e0a89873e427d51421ecf04d1eb6941230ddb8f229b5ebcf64154ad8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.2299",
    "kind": "arxiv",
    "version": 2
  }
}