Pith Number

pith:5QAYXA2J

pith:2018:5QAYXA2JJYHSK6WLKJHE7JI5K6

not attested not anchored not stored refs pending

Reconciling cooperation, biodiversity and stability in complex ecological communities

Amos Maritan, Chengyi Tu, Jacopo Grillib, Marco Formentin, Samir Suweis

arxiv:1805.03527 v2 · 2018-05-08 · q-bio.PE · physics.bio-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5QAYXA2JJYHSK6WLKJHE7JI5K6}

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	2026-05-18T00:15:46.307803Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec018b83494e0f257acb524e4fa51d57999f9bbe3cff19315559d9a41c697344

Aliases

arxiv: 1805.03527 · arxiv_version: 1805.03527v2 · doi: 10.48550/arxiv.1805.03527 · pith_short_12: 5QAYXA2JJYHS · pith_short_16: 5QAYXA2JJYHSK6WL · pith_short_8: 5QAYXA2J

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/5QAYXA2JJYHSK6WLKJHE7JI5K6 \
  | 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: ec018b83494e0f257acb524e4fa51d57999f9bbe3cff19315559d9a41c697344

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3044b241aca8f12a72fa2d4864742e067a63b7b00f86372d2dc94bd574d693bc",
    "cross_cats_sorted": [
      "physics.bio-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2018-05-08T07:50:21Z",
    "title_canon_sha256": "c6238f6611ca1aea8195e84cf19570e9412759ff489b44a78bbfafa47d267eaa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.03527",
    "kind": "arxiv",
    "version": 2
  }
}