Pith Number

pith:IC3Q7SFW

pith:2015:IC3Q7SFWTWDLS35BHZAYCG3NR7

not attested not anchored not stored refs pending

Comparing and modeling land use organization in cities

Enrique Fr\'ias-Mart\'inez, Jos\'e J. Ramasco, Marc Barthelemy, Maxime Lenormand, Maxi San Miguel, Miguel Picornell, Oliva G. Cant\'u-Ros, Ricardo Herranz, Thomas Louail

arxiv:1503.06152 v2 · 2015-03-20 · 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{IC3Q7SFWTWDLS35BHZAYCG3NR7}

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	2026-05-17T23:57:33.307697Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40b70fc8b69d86b96fa13e41811b6d8fc5e57050ede5d52d475718f09ee892fb

Aliases

arxiv: 1503.06152 · arxiv_version: 1503.06152v2 · doi: 10.48550/arxiv.1503.06152 · pith_short_12: IC3Q7SFWTWDL · pith_short_16: IC3Q7SFWTWDLS35B · pith_short_8: IC3Q7SFW

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/IC3Q7SFWTWDLS35BHZAYCG3NR7 \
  | 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: 40b70fc8b69d86b96fa13e41811b6d8fc5e57050ede5d52d475718f09ee892fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "487481937f8f2b190ecbc9272aa50aa4b8e5dd6827abc738ad9c7c2d23af2cff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2015-03-20T16:41:52Z",
    "title_canon_sha256": "d87f2f762d7747caf7f2c39bd8ef27dccf373f351a5c56602090d537fbb36824"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.06152",
    "kind": "arxiv",
    "version": 2
  }
}