Pith Number

pith:CJAOBPI7

pith:2009:CJAOBPI7OQLVJRBBDPTBLYOJGZ

not attested not anchored not stored refs pending

Second-Order Assortative Mixing in Social Networks

Ingemar J. Cox, Lars K. Hansen, Shi Zhou

arxiv:0903.0687 v4 · 2009-03-04 · physics.soc-ph · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CJAOBPI7OQLVJRBBDPTBLYOJGZ}

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	2026-05-18T00:32:24.315987Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1240e0bd1f741754c4211be615e1c936412a79a2f1e586661e7ad2521d607f91

Aliases

arxiv: 0903.0687 · arxiv_version: 0903.0687v4 · doi: 10.48550/arxiv.0903.0687 · pith_short_12: CJAOBPI7OQLV · pith_short_16: CJAOBPI7OQLVJRBB · pith_short_8: CJAOBPI7

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/CJAOBPI7OQLVJRBBDPTBLYOJGZ \
  | 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: 1240e0bd1f741754c4211be615e1c936412a79a2f1e586661e7ad2521d607f91

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c097a4f1f2ef3796de958a961c1c45e37864736de8186a63037fd1ca5db48ec6",
    "cross_cats_sorted": [
      "physics.data-an"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2009-03-04T04:07:54Z",
    "title_canon_sha256": "186b415c5da12f75c05efbe8681a6da695816a1e16e5357e539488a599ab8f3b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.0687",
    "kind": "arxiv",
    "version": 4
  }
}