Pith Number

pith:OWK3FFFV

pith:2013:OWK3FFFVUZK3SVKICJMZBUEKXT

not attested not anchored not stored refs pending

Some hard families of parameterised counting problems

Kitty Meeks, Mark Jerrum

arxiv:1310.6524 v5 · 2013-10-24 · cs.CC · cs.DM · 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{OWK3FFFVUZK3SVKICJMZBUEKXT}

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	2026-05-18T02:41:59.657755Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7595b294b5a655b95548125990d08abcc03479efcf3ef50608d1bd9441d596ba

Aliases

arxiv: 1310.6524 · arxiv_version: 1310.6524v5 · doi: 10.48550/arxiv.1310.6524 · pith_short_12: OWK3FFFVUZK3 · pith_short_16: OWK3FFFVUZK3SVKI · pith_short_8: OWK3FFFV

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/OWK3FFFVUZK3SVKICJMZBUEKXT \
  | 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: 7595b294b5a655b95548125990d08abcc03479efcf3ef50608d1bd9441d596ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4163b07c4bb89b7c02c3eaab85dbf990c949a679acd63eabbd00dff11b128f7a",
    "cross_cats_sorted": [
      "cs.DM",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2013-10-24T08:20:01Z",
    "title_canon_sha256": "e9c12736a99d7dc0bfb2dfe341eada754ea448c70a7e0098a30c2944766a7927"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.6524",
    "kind": "arxiv",
    "version": 5
  }
}