Pith Number

pith:2E37W2QP

pith:2013:2E37W2QP6WWYPEOVLCLODROMSM

not attested not anchored not stored refs pending

Convergence of a variational Lagrangian scheme for a nonlinear drift diffusion equation

Daniel Matthes, Horst Osberger

arxiv:1301.0747 v1 · 2013-01-04 · math.NA · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2E37W2QP6WWYPEOVLCLODROMSM}

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	2026-05-17T23:53:18.096758Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d137fb6a0ff5ad8791d55896e1c5cc932f0c47bf12c82e8fc2b05fdb783ba642

Aliases

arxiv: 1301.0747 · arxiv_version: 1301.0747v1 · doi: 10.48550/arxiv.1301.0747 · pith_short_12: 2E37W2QP6WWY · pith_short_16: 2E37W2QP6WWYPEOV · pith_short_8: 2E37W2QP

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/2E37W2QP6WWYPEOVLCLODROMSM \
  | 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: d137fb6a0ff5ad8791d55896e1c5cc932f0c47bf12c82e8fc2b05fdb783ba642

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c906ce06ac2b6e4d9a46a454ceda25ca7593e3ef786e32255b7369d4506212f",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-01-04T15:23:19Z",
    "title_canon_sha256": "be4dad500e7f7a53fc7fc1de62f31f9b6caf4b9672c91eed2f0dbfb89ace6505"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.0747",
    "kind": "arxiv",
    "version": 1
  }
}