Pith Number

pith:VMM65NZO

pith:2005:VMM65NZOUPS3IEO4TZDHH7H3SU

not attested not anchored not stored refs pending

A network analysis of committees in the United States House of Representatives

Casey M. Warmbrand, Mason A. Porter, M.E.J. Newman, Peter J. Mucha

arxiv:nlin/0505043 v1 · 2005-05-17 · nlin.AO · cs.MA · math.ST · physics.data-an · physics.soc-ph · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VMM65NZOUPS3IEO4TZDHH7H3SU}

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	2026-07-04T16:56:42.963488Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab19eeb72ea3e5b411dc9e4673fcfb95136bd45c66cffdd9b3e95457894e3e6a

Aliases

arxiv: nlin/0505043 · arxiv_version: nlin/0505043v1 · doi: 10.48550/arxiv.nlin/0505043 · pith_short_12: VMM65NZOUPS3 · pith_short_16: VMM65NZOUPS3IEO4 · pith_short_8: VMM65NZO

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/VMM65NZOUPS3IEO4TZDHH7H3SU \
  | 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: ab19eeb72ea3e5b411dc9e4673fcfb95136bd45c66cffdd9b3e95457894e3e6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58d143a9c15b48c93e214256f608f047eceed4d89a9afe03dd2f7722f704461e",
    "cross_cats_sorted": [
      "cs.MA",
      "math.ST",
      "physics.data-an",
      "physics.soc-ph",
      "stat.TH"
    ],
    "license": "",
    "primary_cat": "nlin.AO",
    "submitted_at": "2005-05-17T15:30:38Z",
    "title_canon_sha256": "350df76949d23c880bad45fdab6869fae30d6be1972fbd42dfbdc15b2567304c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "nlin/0505043",
    "kind": "arxiv",
    "version": 1
  }
}