Pith Number

pith:ZLLIGDYS

pith:2026:ZLLIGDYSL5YAZCIUP5VR7PAZP7

not attested not anchored not stored refs pending

A City-Scale Dataset of Traffic Flows, Travel Times, and Urban Context

Alessandro Sperduti, Bruno Lepri, Massimiliano Luca, Nicol\`o Navarin, Pietro Fontolan, Riccardo Cappi

arxiv:2605.18782 v1 · 2026-05-06 · physics.soc-ph · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZLLIGDYSL5YAZCIUP5VR7PAZP7}

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	2026-05-20T00:06:21.977967Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cad6830f125f700c89147f6b1fbc197fd373f83e008ba676a6279a689b115fdf

Aliases

arxiv: 2605.18782 · arxiv_version: 2605.18782v1 · doi: 10.48550/arxiv.2605.18782 · pith_short_12: ZLLIGDYSL5YA · pith_short_16: ZLLIGDYSL5YAZCIU · pith_short_8: ZLLIGDYS

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/ZLLIGDYSL5YAZCIUP5VR7PAZP7 \
  | 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: cad6830f125f700c89147f6b1fbc197fd373f83e008ba676a6279a689b115fdf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8af3bb6d4f5e5a2942ad7850ff4488d08ad0a0b8823fe45a0a200ea6c6accba1",
    "cross_cats_sorted": [
      "cs.CY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2026-05-06T09:32:52Z",
    "title_canon_sha256": "bd82298e343787d1c832a51edafbddf11cef62edf1b0425ca31727a175f40ca7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.18782",
    "kind": "arxiv",
    "version": 1
  }
}