Pith Number

pith:OTRERABV

pith:2012:OTRERABVBMYQIJ7U2H6OXR3U52

not attested not anchored not stored refs pending

Modeling collective human mobility: Understanding exponential law of intra-urban movement

Jichang Zhao, Ke Xu, Li Dong, Xiao Liang

arxiv:1212.6331 v1 · 2012-12-27 · 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{OTRERABVBMYQIJ7U2H6OXR3U52}

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	2026-05-18T02:39:24.258379Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74e24880350b310427f4d1fcebc774ee8735b0be2771a57effdd94c321946418

Aliases

arxiv: 1212.6331 · arxiv_version: 1212.6331v1 · doi: 10.48550/arxiv.1212.6331 · pith_short_12: OTRERABVBMYQ · pith_short_16: OTRERABVBMYQIJ7U · pith_short_8: OTRERABV

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/OTRERABVBMYQIJ7U2H6OXR3U52 \
  | 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: 74e24880350b310427f4d1fcebc774ee8735b0be2771a57effdd94c321946418

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ae7aec83c85e47aca408367b73552673ec3af054ff13a1105887e24cc5e0843",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2012-12-27T09:11:51Z",
    "title_canon_sha256": "d0ea3e990e8b99665da04e710126cd07192fcff26dd8b3d1908c7c5033ed488a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.6331",
    "kind": "arxiv",
    "version": 1
  }
}