pith. sign in
Pith Number

pith:VZAUUGZY

pith:2012:VZAUUGZY2AVN33IQ4HCCBHSVWU
not attested not anchored not stored refs pending

An Alternative Approach to the Calculation and Analysis of Connectivity in the World City Network

Ben Derudder, Stefan Hennemann

arxiv:1206.6214 v1 · 2012-06-27 · physics.soc-ph · cs.SI

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{VZAUUGZY2AVN33IQ4HCCBHSVWU}

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 2026-05-18T02:51:42.579590Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

ae414a1b38d02added10e1c4209e55b52ea2f72b8db0bbcd2e8895fc2b24260a

Aliases

arxiv: 1206.6214 · arxiv_version: 1206.6214v1 · doi: 10.48550/arxiv.1206.6214 · pith_short_12: VZAUUGZY2AVN · pith_short_16: VZAUUGZY2AVN33IQ · pith_short_8: VZAUUGZY
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/VZAUUGZY2AVN33IQ4HCCBHSVWU \
  | 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: ae414a1b38d02added10e1c4209e55b52ea2f72b8db0bbcd2e8895fc2b24260a
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "f420f0102c5b9cf84f3ec00c23ee02efe7f7810d5f4c7d6e53adc0a6594ca1fc",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2012-06-27T09:33:33Z",
    "title_canon_sha256": "ca7290ad70533b8d1edce96ee6b79a8943b3133c89f4200a0fe276598b60de43"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.6214",
    "kind": "arxiv",
    "version": 1
  }
}