Pith Number

pith:LVR4W55F

pith:2009:LVR4W55FUELNYNUZFY4J7NZVJ4

not attested not anchored not stored refs pending

Statistical Laws in Urban Mobility from microscopic GPS data in the area of Florence

Armando Bazzani, Bruno Giorgini, Luca Giovannini, Riccardo Gallotti, Sandro Rambaldi

arxiv:0912.4371 v1 · 2009-12-22 · physics.soc-ph · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LVR4W55FUELNYNUZFY4J7NZVJ4}

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	2026-05-18T02:10:14.700974Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d63cb77a5a116dc36992e389fb7354f2512a6029c303980959ee1b5ad464acb

Aliases

arxiv: 0912.4371 · arxiv_version: 0912.4371v1 · doi: 10.48550/arxiv.0912.4371 · pith_short_12: LVR4W55FUELN · pith_short_16: LVR4W55FUELNYNUZ · pith_short_8: LVR4W55F

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/LVR4W55FUELNYNUZFY4J7NZVJ4 \
  | 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: 5d63cb77a5a116dc36992e389fb7354f2512a6029c303980959ee1b5ad464acb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec81af09f6ac7dfba4e8af2b6ca104e5acb92687933b09dc7ecba6f381954d98",
    "cross_cats_sorted": [
      "physics.data-an"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2009-12-22T15:06:58Z",
    "title_canon_sha256": "a8825f6dc3a43e7b548e6b1d0f38df93aa8ce40be159462950322b8ed643f12c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.4371",
    "kind": "arxiv",
    "version": 1
  }
}