Pith Number

pith:HH74666K

pith:2018:HH74666KRSZXUR74YBKRLYUJPF

not attested not anchored not stored refs pending

Modeling Environmental Crime in Protected Areas Using the Level Set Method

Andrea L. Bertozzi, Christian Parkinson, David J. Arnold, Dayne Fernandez, Deborah Tonne, Ruizhe Jia, Stanley J. Osher, Yotam Yaniv

arxiv:1808.03228 v1 · 2018-08-06 · math.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{HH74666KRSZXUR74YBKRLYUJPF}

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	2026-05-18T00:08:29.857737Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39ffcf7bca8cb37a47fcc05515e289795809967411aa23eaaf8786748b361de1

Aliases

arxiv: 1808.03228 · arxiv_version: 1808.03228v1 · doi: 10.48550/arxiv.1808.03228 · pith_short_12: HH74666KRSZX · pith_short_16: HH74666KRSZXUR74 · pith_short_8: HH74666K

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/HH74666KRSZXUR74YBKRLYUJPF \
  | 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: 39ffcf7bca8cb37a47fcc05515e289795809967411aa23eaaf8786748b361de1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "845953dbbeacbf4c6271e2517b772e9879b3b1a15191339305c940b1e22448c2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-08-06T16:22:20Z",
    "title_canon_sha256": "8e86dc0992e2f190903d449b64710185b7b31286c68346065caf685e7a5f6699"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.03228",
    "kind": "arxiv",
    "version": 1
  }
}