Pith Number

pith:A3Q6HJ2Z

pith:2025:A3Q6HJ2ZB4JK6GVT7ZUIQNUOZT

not attested not anchored not stored refs pending

Exclusion Zones of Instant Runoff Voting

Johan Ugander, Jon Kleinberg, Kiran Tomlinson

arxiv:2502.16719 v2 · 2025-02-23 · cs.MA · cs.GT · econ.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{A3Q6HJ2ZB4JK6GVT7ZUIQNUOZT}

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	2026-07-05T10:26:44.102475Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06e1e3a7590f12af1ab3fe6888368eccf33cf0b0ab6aaa7ca809164197f96b28

Aliases

arxiv: 2502.16719 · arxiv_version: 2502.16719v2 · doi: 10.48550/arxiv.2502.16719 · pith_short_12: A3Q6HJ2ZB4JK · pith_short_16: A3Q6HJ2ZB4JK6GVT · pith_short_8: A3Q6HJ2Z

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/A3Q6HJ2ZB4JK6GVT7ZUIQNUOZT \
  | 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: 06e1e3a7590f12af1ab3fe6888368eccf33cf0b0ab6aaa7ca809164197f96b28

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a97647645ee5f6ff6c478e473a422360d5f5157fda36647bdd98999167a97a36",
    "cross_cats_sorted": [
      "cs.GT",
      "econ.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MA",
    "submitted_at": "2025-02-23T21:28:15Z",
    "title_canon_sha256": "d141c2b167b7b310a829baa79c60fe7b05a43f2ab56f87fe70b971070b02c02a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.16719",
    "kind": "arxiv",
    "version": 2
  }
}