Pith Number

pith:ALHCY3RS

pith:2019:ALHCY3RSEJ4MABKUROWPZWQWXY

not attested not anchored not stored refs pending

A numerical analysis focused comparison of several Finite Volume schemes for an Unipolar Degenerated Drift-Diffusion Model

Beno\^it Gaudeul, Claire Chainais-Hillairet, Cl\'ement Canc\`es, J\"urgen Fuhrmann

arxiv:1907.11126 v2 · 2019-07-25 · math.NA · cs.NA · math.AP · physics.comp-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ALHCY3RSEJ4MABKUROWPZWQWXY}

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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	2026-05-17T23:39:29.765600Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

02ce2c6e322278c005548bacfcda16be164c12ff72a5e4b217b17fb5b629c0ea

Aliases

arxiv: 1907.11126 · arxiv_version: 1907.11126v2 · doi: 10.48550/arxiv.1907.11126 · pith_short_12: ALHCY3RSEJ4M · pith_short_16: ALHCY3RSEJ4MABKU · pith_short_8: ALHCY3RS

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/ALHCY3RSEJ4MABKUROWPZWQWXY \
  | 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: 02ce2c6e322278c005548bacfcda16be164c12ff72a5e4b217b17fb5b629c0ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c07af45b6ea369ac31946e8c77604d2cffa61fc0fd8433268a4cd939c66a3da0",
    "cross_cats_sorted": [
      "cs.NA",
      "math.AP",
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-07-25T15:09:36Z",
    "title_canon_sha256": "ee989678f5cf3b4db190edf8801919887d54228b4f675a578d3545c2405647f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.11126",
    "kind": "arxiv",
    "version": 2
  }
}