Pith Number

pith:6HMKMBUI

pith:2019:6HMKMBUIBXXMZPZNXKL3V6JX32

not attested not anchored not stored refs pending

Dominating maximal outerplane graphs and Hamiltonian plane triangulations

Dong Ye, Michael D. Plummer, Xiaoya Zha

arxiv:1903.02462 v1 · 2019-03-06 · 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{6HMKMBUIBXXMZPZNXKL3V6JX32}

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	2026-05-17T23:51:55.261283Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f1d8a606880deeccbf2dba97baf937de853c3aacc7709e9203ccba01383d6407

Aliases

arxiv: 1903.02462 · arxiv_version: 1903.02462v1 · doi: 10.48550/arxiv.1903.02462 · pith_short_12: 6HMKMBUIBXXM · pith_short_16: 6HMKMBUIBXXMZPZN · pith_short_8: 6HMKMBUI

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/6HMKMBUIBXXMZPZNXKL3V6JX32 \
  | 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: f1d8a606880deeccbf2dba97baf937de853c3aacc7709e9203ccba01383d6407

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6cbfcda23c90a17070bfe46183de3bea7892e77121338ba4052cff8f528a63f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2019-03-06T16:07:24Z",
    "title_canon_sha256": "0ea5e06cd380f49beac02d008830c9dcb44e313fc9a85dccdf493b599ac3aabb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.02462",
    "kind": "arxiv",
    "version": 1
  }
}