Pith Number

pith:6P5U2XTR

pith:2013:6P5U2XTR4BQ4L67BBQLZN3S4C5

not attested not anchored not stored refs pending

Universal Predictability of Mobility Patterns in Cities

Chen Zhao, Wen-Xu Wang, Xiao-Yong Yan, Ying Fan, Zengru Di

arxiv:1307.7502 v2 · 2013-07-29 · 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{6P5U2XTR4BQ4L67BBQLZN3S4C5}

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	2026-05-18T00:34:00.622600Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f3fb4d5e71e061c5fbe10c1796ee5c177a18367f62f3ce4bda361741300bd26a

Aliases

arxiv: 1307.7502 · arxiv_version: 1307.7502v2 · doi: 10.48550/arxiv.1307.7502 · pith_short_12: 6P5U2XTR4BQ4 · pith_short_16: 6P5U2XTR4BQ4L67B · pith_short_8: 6P5U2XTR

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/6P5U2XTR4BQ4L67BBQLZN3S4C5 \
  | 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: f3fb4d5e71e061c5fbe10c1796ee5c177a18367f62f3ce4bda361741300bd26a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d93f16ed3d4df21a87d9b161d81b2c15c32914a9ed5a20b1211a7371bcc53f63",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2013-07-29T08:53:08Z",
    "title_canon_sha256": "58d957d998cee556b98b05b05367a175ce52b56d885ab618d3a3b9498e5ab122"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.7502",
    "kind": "arxiv",
    "version": 2
  }
}