Pith Number

pith:HEO33LRP

pith:2013:HEO33LRPHU7GNGR6YPHG4KWPAE

not attested not anchored not stored refs pending

City versus wetland: Predicting urban growth in the Vecht area with a cellular automaton model

Alison J. Gilbert, Atilim Gunes Baydin, Marieke A. Eleveld, Melek Tendurus

arxiv:1304.1609 v1 · 2013-04-05 · nlin.CG · cs.CE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HEO33LRPHU7GNGR6YPHG4KWPAE}

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	2026-05-18T03:28:55.251779Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

391dbdae2f3d3e669a3ec3ce6e2acf01114d427e2f879c154de9d5511251c106

Aliases

arxiv: 1304.1609 · arxiv_version: 1304.1609v1 · doi: 10.48550/arxiv.1304.1609 · pith_short_12: HEO33LRPHU7G · pith_short_16: HEO33LRPHU7GNGR6 · pith_short_8: HEO33LRP

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/HEO33LRPHU7GNGR6YPHG4KWPAE \
  | 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: 391dbdae2f3d3e669a3ec3ce6e2acf01114d427e2f879c154de9d5511251c106

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2d1125e2509d46b98063dfa0ccd1ae192bd823c6dc67bddb064ea9c8e05b289",
    "cross_cats_sorted": [
      "cs.CE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.CG",
    "submitted_at": "2013-04-05T03:49:54Z",
    "title_canon_sha256": "812f8fdc034f9ad504b03b7c9e9ce4e24d1e01d8374f50de179e91f87b6815be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.1609",
    "kind": "arxiv",
    "version": 1
  }
}