Pith Number

pith:ITEU3FWN

pith:2018:ITEU3FWN64KXRQE4LUU6VUH2WA

not attested not anchored not stored refs pending

Evolution of populations expanding on curved surfaces

Daniel A. Beller, Federico Toschi, Francesca Tesser, Kim M. J. Alards, Ricardo A. Mosna, Wolfram M\"obius

arxiv:1809.00250 v2 · 2018-09-01 · 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{ITEU3FWN64KXRQE4LUU6VUH2WA}

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	2026-05-18T00:00:08.095271Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44c94d96cdf71578c09c5d29ead0fab00adb97a105ee4f79a498d1413bdc5613

Aliases

arxiv: 1809.00250 · arxiv_version: 1809.00250v2 · doi: 10.48550/arxiv.1809.00250 · pith_short_12: ITEU3FWN64KX · pith_short_16: ITEU3FWN64KXRQE4 · pith_short_8: ITEU3FWN

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/ITEU3FWN64KXRQE4LUU6VUH2WA \
  | 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: 44c94d96cdf71578c09c5d29ead0fab00adb97a105ee4f79a498d1413bdc5613

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77d9521551de07ee3cc8a9f7e1fb66219e071639659a4ba1116bac0e85e8dbb3",
    "cross_cats_sorted": [
      "cond-mat.stat-mech"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2018-09-01T20:42:51Z",
    "title_canon_sha256": "62287a48a2fa32e6ea96349a8b6ea21caeb99c830b9379cf9a9fbfdd093eb99d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.00250",
    "kind": "arxiv",
    "version": 2
  }
}