Pith Number

pith:UMDAEFX2

pith:2012:UMDAEFX2COXRAVNZDPILY45WQF

not attested not anchored not stored refs pending

Urban street networks: a comparative analysis of ten European cities

Alessio Cardillo, Emanuele Strano, Luciano da Fontoura Costa, Matheus Viana, Sergio Porta, Vito Latora

arxiv:1211.0259 v1 · 2012-11-01 · 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{UMDAEFX2COXRAVNZDPILY45WQF}

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	2026-05-18T03:01:35.977560Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3060216fa13af1055b91bd0bc73b6814f4750716c36295a3eea2de4d30f7cb4

Aliases

arxiv: 1211.0259 · arxiv_version: 1211.0259v1 · doi: 10.48550/arxiv.1211.0259 · pith_short_12: UMDAEFX2COXR · pith_short_16: UMDAEFX2COXRAVNZ · pith_short_8: UMDAEFX2

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/UMDAEFX2COXRAVNZDPILY45WQF \
  | 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: a3060216fa13af1055b91bd0bc73b6814f4750716c36295a3eea2de4d30f7cb4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0456f5c2e03f4753a4fc3f2604fe6e922334e10f147ee6181d9599cce8a5d500",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2012-11-01T19:29:22Z",
    "title_canon_sha256": "7e4ae360980b2c0260601ceb21f72d132bc43458a78be8921d9d7b5e1eb1447d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.0259",
    "kind": "arxiv",
    "version": 1
  }
}