Pith Number

pith:K4FPSYNO

pith:2015:K4FPSYNOXSPNBX4RPCKUIQCX3L

not attested not anchored not stored refs pending

Hamiltonian Cycles in Linear-Convex Supergrid Graphs

Ruo-Wei Hung

arxiv:1506.00190 v1 · 2015-05-31 · cs.DM · 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{K4FPSYNOXSPNBX4RPCKUIQCX3L}

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	2026-05-18T01:59:55.270683Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

570af961aebc9ed0df917895444057dac4b88763f04ac5bbc9c2721d88beb517

Aliases

arxiv: 1506.00190 · arxiv_version: 1506.00190v1 · doi: 10.48550/arxiv.1506.00190 · pith_short_12: K4FPSYNOXSPN · pith_short_16: K4FPSYNOXSPNBX4R · pith_short_8: K4FPSYNO

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/K4FPSYNOXSPNBX4RPCKUIQCX3L \
  | 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: 570af961aebc9ed0df917895444057dac4b88763f04ac5bbc9c2721d88beb517

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6a8721a740dc493ea954035e0aff33dd3e6420ba539414d780e9b5fb5c73af4",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2015-05-31T03:42:31Z",
    "title_canon_sha256": "2e5eaca51e4437c06fe68ca945f325e5a5d56e67c42afc63a8fd55eec8a0f5f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.00190",
    "kind": "arxiv",
    "version": 1
  }
}