Pith Number

pith:3CPPN7CP

pith:2015:3CPPN7CPX3D3RCY2RGFGETO5MN

not attested not anchored not stored refs pending

Urban skylines from Schelling model

Floriana Gargiulo, Timoteo Carletti, Yerali Gandica

arxiv:1505.00429 v1 · 2015-05-03 · physics.soc-ph · cs.CY · 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{3CPPN7CPX3D3RCY2RGFGETO5MN}

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	2026-05-18T02:17:03.061257Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d89ef6fc4fbec7b88b1a898a624ddd634ed523c5f6f04b2156b4cf95f1b6bfb7

Aliases

arxiv: 1505.00429 · arxiv_version: 1505.00429v1 · doi: 10.48550/arxiv.1505.00429 · pith_short_12: 3CPPN7CPX3D3 · pith_short_16: 3CPPN7CPX3D3RCY2 · pith_short_8: 3CPPN7CP

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/3CPPN7CPX3D3RCY2RGFGETO5MN \
  | 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: d89ef6fc4fbec7b88b1a898a624ddd634ed523c5f6f04b2156b4cf95f1b6bfb7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4691b3851321c31bce44d3a902bc4e00c955c4f58c43ff580b39ff9e4be61c9d",
    "cross_cats_sorted": [
      "cs.CY",
      "nlin.AO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2015-05-03T13:34:21Z",
    "title_canon_sha256": "b71c9265f6a32a51afa6e7f2f4135b3beeb44f07d5aae15a12f63f4006026d98"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.00429",
    "kind": "arxiv",
    "version": 1
  }
}