Pith Number

pith:SDX2DQTH

pith:2013:SDX2DQTH4EG2JEXNDHMONVECGA

not attested not anchored not stored refs pending

Wave front propagation for a reaction-diffusion equation in narrow random channels

Mark Freidlin, Wenqing Hu

arxiv:1303.6943 v2 · 2013-03-27 · math.PR · 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{SDX2DQTH4EG2JEXNDHMONVECGA}

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	2026-05-18T03:18:40.073795Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90efa1c267e10da492ed19d8e6d482301c267e155863a4eb92222d9978eb4f6d

Aliases

arxiv: 1303.6943 · arxiv_version: 1303.6943v2 · doi: 10.48550/arxiv.1303.6943 · pith_short_12: SDX2DQTH4EG2 · pith_short_16: SDX2DQTH4EG2JEXN · pith_short_8: SDX2DQTH

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/SDX2DQTH4EG2JEXNDHMONVECGA \
  | 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: 90efa1c267e10da492ed19d8e6d482301c267e155863a4eb92222d9978eb4f6d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1fb1cdb8a5f715f91ca01bf0cc422e9b3c49aacb6c1290b182eb980fb2e0724",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2013-03-27T19:56:26Z",
    "title_canon_sha256": "6f4c273522f3dd2e25775e2fd7bd7b365a2d86ea26b028f5101fee71ce99682f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.6943",
    "kind": "arxiv",
    "version": 2
  }
}