Pith Number

pith:3IWZ54TU

pith:2012:3IWZ54TUKZWCKKDZKP4KGJQEUJ

not attested not anchored not stored refs pending

Emergence of diversity in a model ecosystem

Joachim Mathiesen, Kim Sneppen, Namiko Mitarai

arxiv:1204.3398 v3 · 2012-04-16 · q-bio.PE · cond-mat.stat-mech

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3IWZ54TUKZWCKKDZKP4KGJQEUJ}

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	2026-05-18T03:46:05.248129Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da2d9ef274566c25287953f8a32604a26ed1d9b60667de7f7bd50ac9140829e6

Aliases

arxiv: 1204.3398 · arxiv_version: 1204.3398v3 · doi: 10.48550/arxiv.1204.3398 · pith_short_12: 3IWZ54TUKZWC · pith_short_16: 3IWZ54TUKZWCKKDZ · pith_short_8: 3IWZ54TU

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/3IWZ54TUKZWCKKDZKP4KGJQEUJ \
  | 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: da2d9ef274566c25287953f8a32604a26ed1d9b60667de7f7bd50ac9140829e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "98b181bad2d78f4a19c665671cd9f9a4516fe5481f659ce403677193e3c68ae8",
    "cross_cats_sorted": [
      "cond-mat.stat-mech"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2012-04-16T08:27:03Z",
    "title_canon_sha256": "fc87d5f8cd41df44437989b23b1161082e083d2e915ea793140e73d43b915220"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.3398",
    "kind": "arxiv",
    "version": 3
  }
}