Pith Number

pith:RUOHAD6L

pith:2015:RUOHAD6LBAGTR526ZR7NDEOSBM

not attested not anchored not stored refs pending

Cities and Regions in Britain through hierarchical percolation

A. Paolo Masucci, Camilo Vargas-Ruiz, Carlos Molinero, Elsa Arcaute, Erez Hatna, Michael Batty, Roberto Murcio

arxiv:1504.08318 v3 · 2015-04-30 · 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{RUOHAD6LBAGTR526ZR7NDEOSBM}

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	2026-05-18T01:17:00.823860Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d1c700fcb080d38f75ecc7ed191d20b2272606bbd9f39f495fcfa1dee65ea44

Aliases

arxiv: 1504.08318 · arxiv_version: 1504.08318v3 · doi: 10.48550/arxiv.1504.08318 · pith_short_12: RUOHAD6LBAGT · pith_short_16: RUOHAD6LBAGTR526 · pith_short_8: RUOHAD6L

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/RUOHAD6LBAGTR526ZR7NDEOSBM \
  | 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: 8d1c700fcb080d38f75ecc7ed191d20b2272606bbd9f39f495fcfa1dee65ea44

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb2aef0bbab955a85a2f2f48fe1f89cb89771dfcaa059a999d738c22cde0c896",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2015-04-30T17:53:16Z",
    "title_canon_sha256": "e45f20a72176b5a4fce16ccbae1b877ea08915c4e3f89f1b02622e216e02258a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.08318",
    "kind": "arxiv",
    "version": 3
  }
}