Pith Number

pith:JMBGJ6FG

pith:2005:JMBGJ6FGV7MZTAV6EFYRXAP2WC

not attested not anchored not stored refs pending

Self-optimization, community stability, and fluctuations in two individual-based models of biological coevolution

Per Arne Rikvold (Florida State Univ.)

arxiv:q-bio/0508025 v3 · 2005-08-19 · q-bio.PE · cond-mat.stat-mech · nlin.AO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JMBGJ6FGV7MZTAV6EFYRXAP2WC}

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	2026-05-18T04:08:35.179261Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b0264f8a6afd99982be21711b81fab0b197459619c7468ab311e07548e538e2

Aliases

arxiv: q-bio/0508025 · arxiv_version: q-bio/0508025v3 · doi: 10.48550/arxiv.q-bio/0508025 · pith_short_12: JMBGJ6FGV7MZ · pith_short_16: JMBGJ6FGV7MZTAV6 · pith_short_8: JMBGJ6FG

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/JMBGJ6FGV7MZTAV6EFYRXAP2WC \
  | 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: 4b0264f8a6afd99982be21711b81fab0b197459619c7468ab311e07548e538e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f98d4fb202cbfc4b5a27a19f45b82b2650fe8165756f871bc2fc30809d0b6e53",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "nlin.AO"
    ],
    "license": "",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2005-08-19T19:59:29Z",
    "title_canon_sha256": "15fa517bfec4e95b53da1817d365a3360d5b4ef313adf313cbdb9e2dae637003"
  },
  "schema_version": "1.0",
  "source": {
    "id": "q-bio/0508025",
    "kind": "arxiv",
    "version": 3
  }
}