Pith Number

pith:E24E6GNY

pith:2012:E24E6GNYEGJTTGXO66WABKHCDL

not attested not anchored not stored refs pending

Community detection using spectral clustering on sparse geosocial data

Andrea L. Bertozzi, Blake Hunter, George E. Tita, James Wo, Kyle Luh, Matt Valasik, Megan Halvorson, Peter Elliott, P. Jeffrey Brantingham, Raymond Ahn, Shannon Reid, Yves van Gennip

arxiv:1206.4969 v3 · 2012-06-21 · stat.AP · cs.SI · 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{E24E6GNYEGJTTGXO66WABKHCDL}

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	2026-05-17T23:41:01.686076Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

26b84f19b82193399aeef7ac00a8e21ae6fb98713e173cffb291296936b4af61

Aliases

arxiv: 1206.4969 · arxiv_version: 1206.4969v3 · doi: 10.48550/arxiv.1206.4969 · pith_short_12: E24E6GNYEGJT · pith_short_16: E24E6GNYEGJTTGXO · pith_short_8: E24E6GNY

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/E24E6GNYEGJTTGXO66WABKHCDL \
  | 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: 26b84f19b82193399aeef7ac00a8e21ae6fb98713e173cffb291296936b4af61

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3cab07ba30c92c33b2084b9c0313d353c226b0fa3d3563f72d17404319ec19b2",
    "cross_cats_sorted": [
      "cs.SI",
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2012-06-21T18:54:50Z",
    "title_canon_sha256": "afe39ce067ce5ea47353721f2a9a3db50f6816d846bad34ad1070bada8c77f96"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.4969",
    "kind": "arxiv",
    "version": 3
  }
}