Pith Number

pith:5RTHBHED

pith:2018:5RTHBHEDTZ3O7PBFJCBCIQW7YB

not attested not anchored not stored refs pending

Graphs with few Hamiltonian Cycles

Barbara Meersman, Carol T. Zamfirescu, Jan Goedgebeur

arxiv:1812.05650 v2 · 2018-12-13 · 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{5RTHBHEDTZ3O7PBFJCBCIQW7YB}

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	2026-05-17T23:40:41.373135Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec66709c839e76efbc2548822442dfc0530e706c815b6e2c785a464a9c1cfa84

Aliases

arxiv: 1812.05650 · arxiv_version: 1812.05650v2 · doi: 10.48550/arxiv.1812.05650 · pith_short_12: 5RTHBHEDTZ3O · pith_short_16: 5RTHBHEDTZ3O7PBF · pith_short_8: 5RTHBHED

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/5RTHBHEDTZ3O7PBFJCBCIQW7YB \
  | 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: ec66709c839e76efbc2548822442dfc0530e706c815b6e2c785a464a9c1cfa84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "420555486d3a472fa5076c7c94b1b6bb2a4e0f9bc7d92b87d0c2268fd6e55102",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-12-13T19:34:53Z",
    "title_canon_sha256": "d10e9477dd29c67f30060b8499aa97befe7d3ab6ec29ff8ddee0c7a293e4aa34"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.05650",
    "kind": "arxiv",
    "version": 2
  }
}