Pith Number

pith:DRL6MAPL

pith:2007:DRL6MAPLG4DTAVX2BWNPEAQSQ6

not attested not anchored not stored refs pending

A wildland fire model with data assimilation

Anthony Vodacek, Craig C. Douglas, Janice L. Coen, Jan Mandel, Jonathan D. Beezley, Lynn S. Bennethum, Minjeong Kim

arxiv:0709.0086 v2 · 2007-09-02 · math.NA · cs.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{DRL6MAPLG4DTAVX2BWNPEAQSQ6}

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	2026-06-03T22:06:02.178970Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c57e601eb37073056fa0d9af2021287ae997887c53d02dba9518ab647ac3363

Aliases

arxiv: 0709.0086 · arxiv_version: 0709.0086v2 · doi: 10.48550/arxiv.0709.0086 · pith_short_12: DRL6MAPLG4DT · pith_short_16: DRL6MAPLG4DTAVX2 · pith_short_8: DRL6MAPL

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/DRL6MAPLG4DTAVX2BWNPEAQSQ6 \
  | 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: 1c57e601eb37073056fa0d9af2021287ae997887c53d02dba9518ab647ac3363

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2ce931267eec89a2a047939a1cbd5b07f2cc1197f2569a68959d76fffee62f5",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "",
    "primary_cat": "math.NA",
    "submitted_at": "2007-09-02T03:18:47Z",
    "title_canon_sha256": "2bfb38c942e9e67a9fc1fda5d6575e4ee6342dba3b9fe955fd3563d38a67523e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0709.0086",
    "kind": "arxiv",
    "version": 2
  }
}