Pith Number

pith:5XF4VF5Q

pith:2013:5XF4VF5QYSUX345KBHY2U2HGLB

not attested not anchored not stored refs pending

Hunter & Mole

Natasha Komarov, Peter Winkler

arxiv:1311.0211 v2 · 2013-11-01 · 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{5XF4VF5QYSUX345KBHY2U2HGLB}

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	2026-05-18T02:51:56.882560Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

edcbca97b0c4a97df3aa09f1aa68e658476fd7e06aee71fba1adc9fa239f5c33

Aliases

arxiv: 1311.0211 · arxiv_version: 1311.0211v2 · doi: 10.48550/arxiv.1311.0211 · pith_short_12: 5XF4VF5QYSUX · pith_short_16: 5XF4VF5QYSUX345K · pith_short_8: 5XF4VF5Q

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/5XF4VF5QYSUX345KBHY2U2HGLB \
  | 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: edcbca97b0c4a97df3aa09f1aa68e658476fd7e06aee71fba1adc9fa239f5c33

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf52ad985b3813918e271f5979884f870830bacf9a5eba5d7fff5f8ac2d28ce9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-11-01T15:48:41Z",
    "title_canon_sha256": "0b2b8f0bfcf0e2393a5a9539eeb87a60891b042a9983c318d773a60e8b8c677d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.0211",
    "kind": "arxiv",
    "version": 2
  }
}