Pith Number

pith:HRGUDBEH

pith:2016:HRGUDBEHDB7IMX4GKOXGZTNZOS

not attested not anchored not stored refs pending

A new class of graphs that satisfies the Chen-Chv\'atal Conjecture

Jose Zamora, Martin Matamala, Paul Rochet, Pierre Aboulker

arxiv:1606.06011 v1 · 2016-06-20 · math.CO · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HRGUDBEHDB7IMX4GKOXGZTNZOS}

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	2026-05-18T01:12:15.617397Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c4d418487187e865f8653ae6ccdb9749dc8174b2feeeb135e433ecc3be0f0e5

Aliases

arxiv: 1606.06011 · arxiv_version: 1606.06011v1 · doi: 10.48550/arxiv.1606.06011 · pith_short_12: HRGUDBEHDB7I · pith_short_16: HRGUDBEHDB7IMX4G · pith_short_8: HRGUDBEH

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/HRGUDBEHDB7IMX4GKOXGZTNZOS \
  | 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: 3c4d418487187e865f8653ae6ccdb9749dc8174b2feeeb135e433ecc3be0f0e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93957e46606441dc034a5a0b1623bbe44492c20c19735332924c2399ee841228",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2016-06-20T08:40:46Z",
    "title_canon_sha256": "8e04a83516a32ba86307db31ddcc33d5a630e57a61416c3ad9a97ca74eab6143"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.06011",
    "kind": "arxiv",
    "version": 1
  }
}