Pith Number

pith:B2W3KGDP

pith:2010:B2W3KGDPF64XWA5YTAU37FOR75

not attested not anchored not stored refs pending

Deciding the finiteness of the number of simple permutations contained in a wreath-closed class is polynomial

Adeline Pierrot (LIAFA), Dominique Rossin (LIX), Fr\'ed\'erique Bassino (LIPN), Mathilde Bouvel (LIAFA)

arxiv:1002.3866 v3 · 2010-02-20 · cs.DS · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B2W3KGDPF64XWA5YTAU37FOR75}

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	2026-05-18T04:25:37.888979Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0eadb5186f2fb97b03b89829bf95d1ff62a95eaf87d92f7a501cd39f59d99ea4

Aliases

arxiv: 1002.3866 · arxiv_version: 1002.3866v3 · doi: 10.48550/arxiv.1002.3866 · pith_short_12: B2W3KGDPF64X · pith_short_16: B2W3KGDPF64XWA5Y · pith_short_8: B2W3KGDP

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/B2W3KGDPF64XWA5YTAU37FOR75 \
  | 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: 0eadb5186f2fb97b03b89829bf95d1ff62a95eaf87d92f7a501cd39f59d99ea4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7455e8c482d6b28d8821fa0485b8615fc221ae1d44421181392b06161b44201a",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2010-02-20T10:53:57Z",
    "title_canon_sha256": "54406cb24014923aa408f048146abebb37038345999a9de3dcfc3713ee7e50c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.3866",
    "kind": "arxiv",
    "version": 3
  }
}