Pith Number

pith:IX5G47QZ

pith:2004:IX5G47QZNOUOT3I5DLVL7Q3G3Z

not attested not anchored not stored refs pending

Effects of neighbourhood size and connectivity on spatial Continuous Prisoner's Dilemma

Margarita Ifti, Michael Doebeli, Timothy Killingback

arxiv:q-bio/0405018 v1 · 2004-05-24 · 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{IX5G47QZNOUOT3I5DLVL7Q3G3Z}

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	2026-05-18T02:56:42.738699Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45fa6e7e196ba8e9ed1d1aeabfc366de52f9ae4ca9c28ef9e9e2f708c7c7c404

Aliases

arxiv: q-bio/0405018 · arxiv_version: q-bio/0405018v1 · doi: 10.48550/arxiv.q-bio/0405018 · pith_short_12: IX5G47QZNOUO · pith_short_16: IX5G47QZNOUOT3I5 · pith_short_8: IX5G47QZ

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/IX5G47QZNOUOT3I5DLVL7Q3G3Z \
  | 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: 45fa6e7e196ba8e9ed1d1aeabfc366de52f9ae4ca9c28ef9e9e2f708c7c7c404

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a46680a8f02a764d3940ba91fb1e858833e8845b43a355888331b25018418fd",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2004-05-24T08:24:46Z",
    "title_canon_sha256": "447cb507995387eaea46fcd3207ed389c82948f7ae5619b4cb6af12e69289256"
  },
  "schema_version": "1.0",
  "source": {
    "id": "q-bio/0405018",
    "kind": "arxiv",
    "version": 1
  }
}