Pith Number

pith:UGRU3JGD

pith:2013:UGRU3JGDXBBZJVVBF3UEBQDMFK

not attested not anchored not stored refs pending

Exploring the Evolution of London's Street Network in the Information Space: a Dual Approach

A. Paolo Masucci, Kiril Stanilov, Michael Batty

arxiv:1311.7284 v1 · 2013-11-28 · 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{UGRU3JGDXBBZJVVBF3UEBQDMFK}

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	2026-05-18T01:46:05.206272Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1a34da4c3b84394d6a12ee840c06c2aa315bea11b4eafa605ab7f1cda7ce9a8

Aliases

arxiv: 1311.7284 · arxiv_version: 1311.7284v1 · doi: 10.48550/arxiv.1311.7284 · pith_short_12: UGRU3JGDXBBZ · pith_short_16: UGRU3JGDXBBZJVVB · pith_short_8: UGRU3JGD

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/UGRU3JGDXBBZJVVBF3UEBQDMFK \
  | 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: a1a34da4c3b84394d6a12ee840c06c2aa315bea11b4eafa605ab7f1cda7ce9a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a7a2164e78b0c33ebe1687dcbc87405830c5c118740403956f11528883cf6e30",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2013-11-28T11:44:32Z",
    "title_canon_sha256": "d25a9d5698c8121b67085bcce1c0b84f9c16224c66dbeae2cc4daba4bbcc8412"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.7284",
    "kind": "arxiv",
    "version": 1
  }
}