Pith Number

pith:LRLF45XH

pith:2011:LRLF45XHX7IW2SGEWRVZW3KDY7

not attested not anchored not stored refs pending

Spatial effects on species persistence and implications for biodiversity

Amos Maritan, Andrea Rinaldo, Enrico Bertuzzo, Ignacio Rodriguez-Iturbe, Lorenzo Mari, Samir Suweis

arxiv:1109.1425 v1 · 2011-09-07 · physics.bio-ph · cond-mat.stat-mech · math-ph · math.MP · q-bio.PE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LRLF45XHX7IW2SGEWRVZW3KDY7}

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	2026-05-18T04:13:55.727323Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5c565e76e7bfd16d48c4b46b9b6d43c7fcefcdf26b8a06a30072260dc9a8cc9c

Aliases

arxiv: 1109.1425 · arxiv_version: 1109.1425v1 · doi: 10.48550/arxiv.1109.1425 · pith_short_12: LRLF45XHX7IW · pith_short_16: LRLF45XHX7IW2SGE · pith_short_8: LRLF45XH

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/LRLF45XHX7IW2SGEWRVZW3KDY7 \
  | 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: 5c565e76e7bfd16d48c4b46b9b6d43c7fcefcdf26b8a06a30072260dc9a8cc9c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84529ac6bd2045a3f9632c951638a5aa04c56d500e7a705859bbf0b434f9b0fb",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "math-ph",
      "math.MP",
      "q-bio.PE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.bio-ph",
    "submitted_at": "2011-09-07T11:38:23Z",
    "title_canon_sha256": "7ef4a6ac89b5480268b1138d5589493d40063fe68604f8df5ce9b0948be90884"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.1425",
    "kind": "arxiv",
    "version": 1
  }
}