Pith Number

pith:OTXYW4EC

pith:2016:OTXYW4EC3K5JS3RRONNFAXEK2K

not attested not anchored not stored refs pending

Hamiltonicity of planar graphs with a forbidden minor

Emily A. Marshall, Kenta Ozeki, M. N. Ellingham, Shoichi Tsuchiya

arxiv:1610.06558 v1 · 2016-10-20 · 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{OTXYW4EC3K5JS3RRONNFAXEK2K}

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	2026-05-18T01:01:42.867537Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74ef8b7082daba996e31735a505c8ad28e8246088d2a7b1e2a197f7bb8c7dc16

Aliases

arxiv: 1610.06558 · arxiv_version: 1610.06558v1 · doi: 10.48550/arxiv.1610.06558 · pith_short_12: OTXYW4EC3K5J · pith_short_16: OTXYW4EC3K5JS3RR · pith_short_8: OTXYW4EC

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/OTXYW4EC3K5JS3RRONNFAXEK2K \
  | 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: 74ef8b7082daba996e31735a505c8ad28e8246088d2a7b1e2a197f7bb8c7dc16

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6735de756e09c48d33b84176cd6b8c987d2bfe51e2f6cf772cb7f88b9d10c41",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2016-10-20T19:56:50Z",
    "title_canon_sha256": "2a906802ab54c3e51a084656750b71bf3a7910b74e1633fb87faa34464c6f4f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.06558",
    "kind": "arxiv",
    "version": 1
  }
}