Pith Number

pith:CE7TFOJ4

pith:2015:CE7TFOJ4LLIUVMBHMX2TJPHRTC

not attested not anchored not stored refs pending

Iterated claws have real-rooted genus polynomials

D.G.L. Wang, J.L. Gross, T. Mansour, T.W. Tucker

arxiv:1501.06105 v1 · 2015-01-25 · 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{CE7TFOJ4LLIUVMBHMX2TJPHRTC}

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	2026-05-18T02:28:42.342351Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

113f32b93c5ad14ab02765f534bcf198984d9c8e7c2aa3298461a66796055b66

Aliases

arxiv: 1501.06105 · arxiv_version: 1501.06105v1 · doi: 10.48550/arxiv.1501.06105 · pith_short_12: CE7TFOJ4LLIU · pith_short_16: CE7TFOJ4LLIUVMBH · pith_short_8: CE7TFOJ4

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/CE7TFOJ4LLIUVMBHMX2TJPHRTC \
  | 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: 113f32b93c5ad14ab02765f534bcf198984d9c8e7c2aa3298461a66796055b66

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92d2e32aa7d5706b14909fd462984098d81b2dc16c1f7441fcb5a6617f9c9f6e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-01-25T02:02:31Z",
    "title_canon_sha256": "ec54a153460d7d0e1a971d5ed03ab99b273ba8a51f385ea7c07086666f2e4fb7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.06105",
    "kind": "arxiv",
    "version": 1
  }
}