Pith Number

pith:H7OA3C4H

pith:2020:H7OA3C4HKZNGMCBXYRBIRXDOVJ

not attested not anchored not stored refs pending

A comparison of simple models for urban morphogenesis

Juste Raimbault

arxiv:2008.13277 v1 · 2020-08-30 · physics.soc-ph · cs.MA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H7OA3C4HKZNGMCBXYRBIRXDOVJ}

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.

Cited by

1 paper in Pith

Prediction of Individual Halo Concentrations Across Cosmic Time Using Neural Networks

Receipt and verification

First computed	2026-07-05T01:31:35.965053Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3fdc0d8b87565a660837c44288dc6eaa7d6d43bcc5230ebe3ddfe330ee88034b

Aliases

arxiv: 2008.13277 · arxiv_version: 2008.13277v1 · doi: 10.48550/arxiv.2008.13277 · pith_short_12: H7OA3C4HKZNG · pith_short_16: H7OA3C4HKZNGMCBX · pith_short_8: H7OA3C4H

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/H7OA3C4HKZNGMCBXYRBIRXDOVJ \
  | 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: 3fdc0d8b87565a660837c44288dc6eaa7d6d43bcc5230ebe3ddfe330ee88034b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "731b5b9f78639f0e242a9f8c99510023632f5365284bda862a1730070811d180",
    "cross_cats_sorted": [
      "cs.MA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2020-08-30T21:04:24Z",
    "title_canon_sha256": "7360439ef6a064e1e5c44ffd277b3877a081ccd22fe3f080bc3cf9c1f97e911b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2008.13277",
    "kind": "arxiv",
    "version": 1
  }
}