Pith Number

pith:CWER4ENR

pith:2011:CWER4ENRNALCJO25G3CGTEYMBC

not attested not anchored not stored refs pending

Understanding mobility in a social petri dish

Giovanni Petri, Michael Szell, Roberta Sinatra, Stefan Thurner, Vito Latora

arxiv:1112.1220 v1 · 2011-12-06 · physics.soc-ph · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CWER4ENRNALCJO25G3CGTEYMBC}

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	2026-05-18T03:53:42.348139Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15891e11b1681624bb5d36c469930c08ade5a6ef77c4afdc0331d21f842d55f2

Aliases

arxiv: 1112.1220 · arxiv_version: 1112.1220v1 · doi: 10.48550/arxiv.1112.1220 · pith_short_12: CWER4ENRNALC · pith_short_16: CWER4ENRNALCJO25 · pith_short_8: CWER4ENR

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/CWER4ENRNALCJO25G3CGTEYMBC \
  | 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: 15891e11b1681624bb5d36c469930c08ade5a6ef77c4afdc0331d21f842d55f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e8fc2d6c00406d4bcc1e8c8a3f898ffd0768caf3a25ab92f023d6fed776d651e",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2011-12-06T10:25:52Z",
    "title_canon_sha256": "56a3ae999c1bed23414a821bfcadb34098f57131573ad0b12e242a8688690ea2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.1220",
    "kind": "arxiv",
    "version": 1
  }
}