Pith Number

pith:WMLARY2T

pith:2018:WMLARY2T5UF3OQJV5TLAZHH5R2

not attested not anchored not stored refs pending

Evaluating and Tuning n-fold Integer Programming

Du\v{s}an Knop, Kate\v{r}ina Altmanov\'a, Martin Kouteck\'y

arxiv:1802.09007 v2 · 2018-02-25 · cs.DS · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WMLARY2T5UF3OQJV5TLAZHH5R2}

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	2026-05-17T23:49:22.585376Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b31608e353ed0bb74135ecd60c9cfd8e996cfe15cce09c024a9de66d87b5289f

Aliases

arxiv: 1802.09007 · arxiv_version: 1802.09007v2 · doi: 10.48550/arxiv.1802.09007 · pith_short_12: WMLARY2T5UF3 · pith_short_16: WMLARY2T5UF3OQJV · pith_short_8: WMLARY2T

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/WMLARY2T5UF3OQJV5TLAZHH5R2 \
  | 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: b31608e353ed0bb74135ecd60c9cfd8e996cfe15cce09c024a9de66d87b5289f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3f22b311464abf75408ba6a68171f2c92f7625bd3f7d8b326bc82394be671c9",
    "cross_cats_sorted": [
      "cs.SE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-02-25T13:59:12Z",
    "title_canon_sha256": "a385806a41a5651c930f59ec5c3ea45d96d2e82bcad8e13febfbdd4e7111823c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.09007",
    "kind": "arxiv",
    "version": 2
  }
}