Pith Number

pith:BRM74ZIV

pith:2018:BRM74ZIV6Z2I4FQWQ5IGQNKT5P

not attested not anchored not stored refs pending

Unimodality of the independence polynomials of non-regular caterpillars

Bailey Ethridge, Levente Szabo, Patrick Bahls

arxiv:1802.06298 v1 · 2018-02-17 · 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{BRM74ZIV6Z2I4FQWQ5IGQNKT5P}

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	2026-05-18T00:23:03.754571Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c59fe6515f6748e16168750683553ebf0438582d3abf6612e221da168e95faf

Aliases

arxiv: 1802.06298 · arxiv_version: 1802.06298v1 · doi: 10.48550/arxiv.1802.06298 · pith_short_12: BRM74ZIV6Z2I · pith_short_16: BRM74ZIV6Z2I4FQW · pith_short_8: BRM74ZIV

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/BRM74ZIV6Z2I4FQWQ5IGQNKT5P \
  | 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: 0c59fe6515f6748e16168750683553ebf0438582d3abf6612e221da168e95faf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "789decfb8a5755264b209ffe4069a45d887dfbcb6ca06b38fd5c29bc65dba158",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-02-17T21:30:06Z",
    "title_canon_sha256": "95da9917ed53995436fe4ba7bae332242ef0baeaf871ec5252eae07fe97b85af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.06298",
    "kind": "arxiv",
    "version": 1
  }
}