Pith Number

pith:YZ2LTTNS

pith:2018:YZ2LTTNS2CCNPM2DGOTXN5GUUS

not attested not anchored not stored refs pending

The Computational Complexity of Finding Hamiltonian Cycles in Grid Graphs of Semiregular Tessellations

Jayson Lynch, Kaiying Hou

arxiv:1805.03192 v1 · 2018-05-08 · cs.CC · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YZ2LTTNS2CCNPM2DGOTXN5GUUS}

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	2026-05-18T00:16:24.468383Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c674b9cdb2d084d7b34333a776f4d4a49c87cafe18dc6c2bec128186183999cc

Aliases

arxiv: 1805.03192 · arxiv_version: 1805.03192v1 · doi: 10.48550/arxiv.1805.03192 · pith_short_12: YZ2LTTNS2CCN · pith_short_16: YZ2LTTNS2CCNPM2D · pith_short_8: YZ2LTTNS

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/YZ2LTTNS2CCNPM2DGOTXN5GUUS \
  | 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: c674b9cdb2d084d7b34333a776f4d4a49c87cafe18dc6c2bec128186183999cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4652ce84677253bf25a66578d83db8c23801f35522bc780cf13075b8e3a0b6d",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2018-05-08T17:51:03Z",
    "title_canon_sha256": "2374a7d28f1060872c40316b124545bc509cbc53584493ed811a8b91953559bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.03192",
    "kind": "arxiv",
    "version": 1
  }
}