Pith Number

pith:ZTLWWLKB

pith:2016:ZTLWWLKB3B3DUGL6GF7XSQVPOG

not attested not anchored not stored refs pending

Population patterns in World's administrative units

Germinal Cocho, Oscar Fontanelli, Pedro Miramontes, Wentian Li

arxiv:1610.02708 v1 · 2016-10-09 · stat.AP · physics.soc-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZTLWWLKB3B3DUGL6GF7XSQVPOG}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:02:50.901603Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ccd76b2d41d8763a197e317f7942af71a382417833240f1aa8d80aecb8fbea9f

Aliases

arxiv: 1610.02708 · arxiv_version: 1610.02708v1 · doi: 10.48550/arxiv.1610.02708 · pith_short_12: ZTLWWLKB3B3D · pith_short_16: ZTLWWLKB3B3DUGL6 · pith_short_8: ZTLWWLKB

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/ZTLWWLKB3B3DUGL6GF7XSQVPOG \
  | 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: ccd76b2d41d8763a197e317f7942af71a382417833240f1aa8d80aecb8fbea9f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36a486ea1de10f53d2f692d9a7b7049211ec99332112c081f7c72256eaebff45",
    "cross_cats_sorted": [
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2016-10-09T19:31:44Z",
    "title_canon_sha256": "670a004e8efd5f33b60dd23f2923566dfd1cfc81138fa89d76f01e681a7575a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.02708",
    "kind": "arxiv",
    "version": 1
  }
}