Pith Number

pith:AE6HQFO4

pith:2013:AE6HQFO4VHGHA3JGDG5CP55WJ2

not attested not anchored not stored refs pending

Families with infants: a general approach to solve hard partition problems

Alexander Golovnev, Alexander S. Kulikov, Ivan Mihajlin

arxiv:1311.2456 v2 · 2013-11-11 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AE6HQFO4VHGHA3JGDG5CP55WJ2}

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	2026-05-18T02:40:45.696388Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

013c7815dca9cc706d2619ba27f7b64e8655b08f50015d7b292514e996fa2917

Aliases

arxiv: 1311.2456 · arxiv_version: 1311.2456v2 · doi: 10.48550/arxiv.1311.2456 · pith_short_12: AE6HQFO4VHGH · pith_short_16: AE6HQFO4VHGHA3JG · pith_short_8: AE6HQFO4

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/AE6HQFO4VHGHA3JGDG5CP55WJ2 \
  | 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: 013c7815dca9cc706d2619ba27f7b64e8655b08f50015d7b292514e996fa2917

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f0474966e1a20b98fdaec5a0b474747e72afe66a3b21e80420d91ab0e63bc56",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2013-11-11T14:56:50Z",
    "title_canon_sha256": "53858f2e460326d059d5292dc43f7a04241548a224a4cf52150e2280caa4974e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.2456",
    "kind": "arxiv",
    "version": 2
  }
}