Pith Number

pith:LUAG6KSD

pith:2012:LUAG6KSD65G6FT6W4EDQXZCJZJ

not attested not anchored not stored refs pending

Contractible Hamiltonian Cycles in Polyhedral Maps

Ashish Kumar Upadhyay, Dipendu Maity

arxiv:1202.4150 v1 · 2012-02-19 · math.CO · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LUAG6KSD65G6FT6W4EDQXZCJZJ}

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	2026-05-18T04:02:00.086618Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d006f2a43f74de2cfd6e1070be449ca582d8f804c9cfe7310df4b1f43aef744

Aliases

arxiv: 1202.4150 · arxiv_version: 1202.4150v1 · doi: 10.48550/arxiv.1202.4150 · pith_short_12: LUAG6KSD65G6 · pith_short_16: LUAG6KSD65G6FT6W · pith_short_8: LUAG6KSD

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/LUAG6KSD65G6FT6W4EDQXZCJZJ \
  | 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: 5d006f2a43f74de2cfd6e1070be449ca582d8f804c9cfe7310df4b1f43aef744

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97f7301b35510bd40625e29e0692a6bd9d86d4b4acec48bc06abec02c629a32a",
    "cross_cats_sorted": [
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2012-02-19T12:44:19Z",
    "title_canon_sha256": "d39ba48c0fc093b6b0ee2025222f0b382ec613846efd568d8aa3705f1961c268"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.4150",
    "kind": "arxiv",
    "version": 1
  }
}