Pith Number

pith:S24DOBHS

pith:2005:S24DOBHSNVTEB3WBJS3ZFYGATW

not attested not anchored not stored refs pending

Scaling laws for the movement of people between locations in a large city

Carlos Castillo-Chavez, Gerardo Chowell, James M. Hyman, Stephen Eubank

arxiv:physics/0503023 v1 · 2005-03-02 · 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{S24DOBHSNVTEB3WBJS3ZFYGATW}

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	2026-05-18T01:05:08.544436Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96b83704f26d6640eec14cb792e0c09d9368e8905f2267db3527f5fe1fc8dc97

Aliases

arxiv: physics/0503023 · arxiv_version: physics/0503023v1 · doi: 10.48550/arxiv.physics/0503023 · pith_short_12: S24DOBHSNVTE · pith_short_16: S24DOBHSNVTEB3WB · pith_short_8: S24DOBHS

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/S24DOBHSNVTEB3WBJS3ZFYGATW \
  | 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: 96b83704f26d6640eec14cb792e0c09d9368e8905f2267db3527f5fe1fc8dc97

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e81c4d6492c8f7fd98323a264b47128f47aaa76ea4c36e9f6cdc1c85e569594",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2005-03-02T16:35:43Z",
    "title_canon_sha256": "ed5f881802e5bb238beb5efc3c5e6eb04986df93fe200423d87a40dcf7964ed2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0503023",
    "kind": "arxiv",
    "version": 1
  }
}