Pith Number

pith:WZM35UY4

pith:2010:WZM35UY4OQGXVBK3PWUW3SOTJ3

not attested not anchored not stored refs pending

Poisson point process models solve the "pseudo-absence problem" for presence-only data in ecology

David I. Warton, Leah C. Shepherd

arxiv:1011.3319 v1 · 2010-11-15 · stat.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{WZM35UY4OQGXVBK3PWUW3SOTJ3}

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	2026-05-18T04:35:56.137071Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b659bed31c740d7a855b7da96dc9d34ef9bfa22d18f485ce85d8cc656f0073fc

Aliases

arxiv: 1011.3319 · arxiv_version: 1011.3319v1 · doi: 10.48550/arxiv.1011.3319 · pith_short_12: WZM35UY4OQGX · pith_short_16: WZM35UY4OQGXVBK3 · pith_short_8: WZM35UY4

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/WZM35UY4OQGXVBK3PWUW3SOTJ3 \
  | 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: b659bed31c740d7a855b7da96dc9d34ef9bfa22d18f485ce85d8cc656f0073fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd5bee9605eb742a1a1b281eb9aaf34b98fb71a805c95243dc91a3c92c084843",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2010-11-15T09:16:31Z",
    "title_canon_sha256": "c901d6e536027b8bae5c63858fb33e30155cb76581257316d6cffefba37d4140"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.3319",
    "kind": "arxiv",
    "version": 1
  }
}