Pith Number

pith:WW6AKWEY

pith:2010:WW6AKWEY6TYDXC3RHNUHCI2227

not attested not anchored not stored refs pending

Mathematics and Morphogenesis of the City: A Geometrical Approach

Catherine Gloaguen, Stephane Douady, Thomas Courtat

arxiv:1010.1762 v2 · 2010-10-08 · nlin.AO · math-ph · math.MP · physics.soc-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WW6AKWEY6TYDXC3RHNUHCI2227}

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	2026-05-18T02:05:07.455080Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5bc055898f4f03b8b713b6871235ad7d79fc94980e39676e23af5f253be89ce

Aliases

arxiv: 1010.1762 · arxiv_version: 1010.1762v2 · doi: 10.48550/arxiv.1010.1762 · pith_short_12: WW6AKWEY6TYD · pith_short_16: WW6AKWEY6TYDXC3R · pith_short_8: WW6AKWEY

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/WW6AKWEY6TYDXC3RHNUHCI2227 \
  | 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: b5bc055898f4f03b8b713b6871235ad7d79fc94980e39676e23af5f253be89ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "855b34cc3006adc460a74ff9fc41b9526f2dd271f4afe2d6107f87642b430227",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.AO",
    "submitted_at": "2010-10-08T18:51:20Z",
    "title_canon_sha256": "eef5b8978f3cd86dba7472171c8f728743e5c376a444e762b67872461cc18ef5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.1762",
    "kind": "arxiv",
    "version": 2
  }
}