Pith Number

pith:UAW2AIEJ

pith:2017:UAW2AIEJ3FEPOKAIWG2VDQZENE

not attested not anchored not stored refs pending

Minimum co-degree condition for perfect matchings in k-partite k-graphs

Hongliang Lu, Xingxing Yu, Yan Wang

arxiv:1711.08185 v1 · 2017-11-22 · 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{UAW2AIEJ3FEPOKAIWG2VDQZENE}

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	2026-05-18T00:29:50.461178Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a02da02089d948f72808b1b551c3246906234a3ae31cbe45ef92b1be9dc635f5

Aliases

arxiv: 1711.08185 · arxiv_version: 1711.08185v1 · doi: 10.48550/arxiv.1711.08185 · pith_short_12: UAW2AIEJ3FEP · pith_short_16: UAW2AIEJ3FEPOKAI · pith_short_8: UAW2AIEJ

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/UAW2AIEJ3FEPOKAIWG2VDQZENE \
  | 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: a02da02089d948f72808b1b551c3246906234a3ae31cbe45ef92b1be9dc635f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "98fa3ee06cfbe9ec45add3ab39e3d674dc26ac878a7895ad35734904358b2a0f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-11-22T09:16:04Z",
    "title_canon_sha256": "bf58ad5044c9f83b2b51307773659b38c2bde56ea5a10e9bb04c55f8a9c181c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.08185",
    "kind": "arxiv",
    "version": 1
  }
}