Pith Number

pith:NGIIM7RS

pith:2012:NGIIM7RSE2FU7H6P4BGT7FQYWD

not attested not anchored not stored refs pending

A Universal Model of Commuting Networks

Floriana Gargiulo (INED), Guillaume Deffuant (UR LISC), Maxime Lenormand (UR LISC), Sylvie Huet (UR LISC)

arxiv:1203.5184 v2 · 2012-03-23 · math.ST · cs.SI · physics.soc-ph · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NGIIM7RSE2FU7H6P4BGT7FQYWD}

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	2026-05-17T23:57:35.435004Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6990867e32268b4f9fcfe04d3f9618b0f7e8f709a69ae381932791dfa9475c61

Aliases

arxiv: 1203.5184 · arxiv_version: 1203.5184v2 · doi: 10.48550/arxiv.1203.5184 · pith_short_12: NGIIM7RSE2FU · pith_short_16: NGIIM7RSE2FU7H6P · pith_short_8: NGIIM7RS

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/NGIIM7RSE2FU7H6P4BGT7FQYWD \
  | 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: 6990867e32268b4f9fcfe04d3f9618b0f7e8f709a69ae381932791dfa9475c61

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9db6728fb10046b1b7b32fd330a942187eca7a25576ee5c87ca0b6397d66588",
    "cross_cats_sorted": [
      "cs.SI",
      "physics.soc-ph",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2012-03-23T07:03:52Z",
    "title_canon_sha256": "e80e0e640e0d4aa98b6db26683666f35dbab57a5beb6a5ec7ed56b0839e1566c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.5184",
    "kind": "arxiv",
    "version": 2
  }
}