Pith Number

pith:2XYWP5N4

pith:2013:2XYWP5N42PMSJOPQO5M67SLPE5

not attested not anchored not stored refs pending

Unraveling the origin of exponential law in intra-urban human mobility

Jichang Zhao, Ke Xu, Li Dong, Xiao Liang

arxiv:1305.6364 v1 · 2013-05-28 · 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{2XYWP5N42PMSJOPQO5M67SLPE5}

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	2026-05-18T02:39:24.154356Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5f167f5bcd3d924b9f07759efc96f2776e1b467e18c0c0166e302b207a72d9d

Aliases

arxiv: 1305.6364 · arxiv_version: 1305.6364v1 · doi: 10.48550/arxiv.1305.6364 · pith_short_12: 2XYWP5N42PMS · pith_short_16: 2XYWP5N42PMSJOPQ · pith_short_8: 2XYWP5N4

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/2XYWP5N42PMSJOPQO5M67SLPE5 \
  | 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: d5f167f5bcd3d924b9f07759efc96f2776e1b467e18c0c0166e302b207a72d9d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6ba1b0e8cd0b1f6b5a6f7213518f9498262cd5d0eb18676830326779826761c",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2013-05-28T04:15:28Z",
    "title_canon_sha256": "158c29a62ba42dadb84fc7b65dbc4a8c2c6f79e5f926cd7285843f601b533827"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.6364",
    "kind": "arxiv",
    "version": 1
  }
}