Pith Number

pith:UYVAKMDD

pith:2017:UYVAKMDDECZ2OOMALAJLEQWMOF

not attested not anchored not stored refs pending

An update on non-Hamiltonian $\frac{5}{4}$-tough maximal planar graphs

Adam Kabela

arxiv:1705.09475 v3 · 2017-05-26 · 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{UYVAKMDDECZ2OOMALAJLEQWMOF}

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	2026-05-18T00:02:18.531810Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a62a05306320b3a739805812b242cc717da9354b7ebbfcf3aa47f84c8b51969b

Aliases

arxiv: 1705.09475 · arxiv_version: 1705.09475v3 · doi: 10.48550/arxiv.1705.09475 · pith_short_12: UYVAKMDDECZ2 · pith_short_16: UYVAKMDDECZ2OOMA · pith_short_8: UYVAKMDD

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/UYVAKMDDECZ2OOMALAJLEQWMOF \
  | 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: a62a05306320b3a739805812b242cc717da9354b7ebbfcf3aa47f84c8b51969b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aafe98d8924ed2cefc1afd1d12ea455b36eb10722c4fcb255922cf3b5eb3da86",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-05-26T08:28:10Z",
    "title_canon_sha256": "bb9e81503eb7e1166d5150fa09cc79f2d8f971f8e2cccc8f22c84e5b7a80994b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.09475",
    "kind": "arxiv",
    "version": 3
  }
}