Pith Number

pith:UEVI3LBW

pith:2026:UEVI3LBWV6KIQZDO7AVCMLDMAI

not attested not anchored not stored refs pending

Inductive approach to chromatic and characteristic polynomials

Madison Cox, Michele Torielli

arxiv:2605.25289 v1 · 2026-05-24 · math.CO · math.AC · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UEVI3LBWV6KIQZDO7AVCMLDMAI}

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	2026-05-26T02:04:27.463499Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a12a8dac36af9488646ef82a262c6c0234f9d3a599e47984c735733bef373a67

Aliases

arxiv: 2605.25289 · arxiv_version: 2605.25289v1 · doi: 10.48550/arxiv.2605.25289 · pith_short_12: UEVI3LBWV6KI · pith_short_16: UEVI3LBWV6KIQZDO · pith_short_8: UEVI3LBW

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/UEVI3LBWV6KIQZDO7AVCMLDMAI \
  | 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: a12a8dac36af9488646ef82a262c6c0234f9d3a599e47984c735733bef373a67

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a97025cc8b3ab4fb25989a256ad8e4eeb532a85a28125799ef615e5b511940c5",
    "cross_cats_sorted": [
      "math.AC",
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2026-05-24T23:10:32Z",
    "title_canon_sha256": "e1fd01c09a517b6d6c27bcb4bc841f7492b93f06e1f40c3ee458ae39df30bd2d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.25289",
    "kind": "arxiv",
    "version": 1
  }
}