Pith Number

pith:WDM4LVC2

pith:2011:WDM4LVC2J6M7CNNTX75QS4GGHG

not attested not anchored not stored refs pending

Metapopulation dynamics on the brink of extinction

A. Eriksson, B. Mehlig, F. Elias-Wolff

arxiv:1112.1679 v3 · 2011-12-07 · 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{WDM4LVC2J6M7CNNTX75QS4GGHG}

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	2026-05-18T03:32:05.761414Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0d9c5d45a4f99f135b3bffb0970c639bc7f7f0236d5652c6561418e20855970

Aliases

arxiv: 1112.1679 · arxiv_version: 1112.1679v3 · doi: 10.48550/arxiv.1112.1679 · pith_short_12: WDM4LVC2J6M7 · pith_short_16: WDM4LVC2J6M7CNNT · pith_short_8: WDM4LVC2

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/WDM4LVC2J6M7CNNTX75QS4GGHG \
  | 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: b0d9c5d45a4f99f135b3bffb0970c639bc7f7f0236d5652c6561418e20855970

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e25ab1fa9b1293e1997e891a0e5fc559a4922939850214bfb69c66d6e8275281",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2011-12-07T20:18:24Z",
    "title_canon_sha256": "7209280870f3235106eaaf5110cfe99e63c0e6db8e96d70bf98f34f1a5f26444"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.1679",
    "kind": "arxiv",
    "version": 3
  }
}