Pith Number

pith:GFDE4SVF

pith:2012:GFDE4SVFRFOWET37CTPHZCXUCO

not attested not anchored not stored refs pending

Demographic noise and resilience in a semi-arid ecosystem model

Alan J. McKane, John Realpe-Gomez, Mara Baudena, Max Rietkerk, Tobias Galla

arxiv:1209.2588 v2 · 2012-09-12 · physics.bio-ph · cond-mat.stat-mech · 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{GFDE4SVFRFOWET37CTPHZCXUCO}

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	2026-05-18T03:14:41.067521Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31464e4aa5895d624f7f14de7c8af413b610d2c9fc92f4a05e97402359cd30c5

Aliases

arxiv: 1209.2588 · arxiv_version: 1209.2588v2 · doi: 10.48550/arxiv.1209.2588 · pith_short_12: GFDE4SVFRFOW · pith_short_16: GFDE4SVFRFOWET37 · pith_short_8: GFDE4SVF

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/GFDE4SVFRFOWET37CTPHZCXUCO \
  | 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: 31464e4aa5895d624f7f14de7c8af413b610d2c9fc92f4a05e97402359cd30c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21e9821eb0e6e5a30ca11eff403d91bd0e85a257baccc47aae0a4aecc5a13fdf",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "q-bio.PE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.bio-ph",
    "submitted_at": "2012-09-12T12:27:33Z",
    "title_canon_sha256": "b5613968127238fe12d9adf5fb764cf7bfc4502bc67299404b7eccae2461ca2f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.2588",
    "kind": "arxiv",
    "version": 2
  }
}