Pith Number

pith:LAXRVYMQ

pith:2015:LAXRVYMQ5Z4I4GPIAEVM2VR52U

not attested not anchored not stored refs pending

Huge tables and multicommodity flows are fixed parameter tractable via unimodular integer Caratheodory

Shmuel Onn

arxiv:1511.03403 v3 · 2015-11-11 · math.OC · cs.CC · cs.DM · 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{LAXRVYMQ5Z4I4GPIAEVM2VR52U}

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	2026-05-18T00:42:51.890380Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

582f1ae190ee788e19e8012acd563dd50d3f206c7a12a2ee395bcd3ecd3931f8

Aliases

arxiv: 1511.03403 · arxiv_version: 1511.03403v3 · doi: 10.48550/arxiv.1511.03403 · pith_short_12: LAXRVYMQ5Z4I · pith_short_16: LAXRVYMQ5Z4I4GPI · pith_short_8: LAXRVYMQ

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/LAXRVYMQ5Z4I4GPIAEVM2VR52U \
  | 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: 582f1ae190ee788e19e8012acd563dd50d3f206c7a12a2ee395bcd3ecd3931f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64ef5806a189b55ca06bd500d23ac14625f299fa32d2ab6dc309b293dcd3b4a6",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.DM",
      "cs.DS",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2015-11-11T07:10:10Z",
    "title_canon_sha256": "138dfce224e974b8a68683dc9fcd4ef3f9a9ea4a52cf296931b10f305e688a76"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.03403",
    "kind": "arxiv",
    "version": 3
  }
}