Pith Number

pith:XH42B4N7

pith:2009:XH42B4N7OPEQBSAEF3UC4ZWD7V

not attested not anchored not stored refs pending

Leader Election Problem Versus Pattern Formation Problem

Franck Petit (LIP6), Vincent Villain (MIS), Yoann Dieudonn\'e (MIS)

arxiv:0902.2851 v3 · 2009-02-17 · cs.DC · cs.MA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XH42B4N7OPEQBSAEF3UC4ZWD7V}

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	2026-05-18T04:01:11.813105Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b9f9a0f1bf73c900c8042ee82e66c3fd431746832344a18ed502730a1db10697

Aliases

arxiv: 0902.2851 · arxiv_version: 0902.2851v3 · doi: 10.48550/arxiv.0902.2851 · pith_short_12: XH42B4N7OPEQ · pith_short_16: XH42B4N7OPEQBSAE · pith_short_8: XH42B4N7

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/XH42B4N7OPEQBSAEF3UC4ZWD7V \
  | 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: b9f9a0f1bf73c900c8042ee82e66c3fd431746832344a18ed502730a1db10697

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d6be0a1585ca378465d69d671ea9d2769fb7b44d7948411a1b0ba0c181b0664",
    "cross_cats_sorted": [
      "cs.MA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2009-02-17T08:02:25Z",
    "title_canon_sha256": "78686a846b8b174bcbc26e1db868d66cf46f3d05e6b238bb7c94bba9f938ee23"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.2851",
    "kind": "arxiv",
    "version": 3
  }
}