Pith Number

pith:JN7IZYQ7

pith:2016:JN7IZYQ7WRFIWHYNZ55QSDYQVL

not attested not anchored not stored refs pending

Singularities in Negami's splitting formula for the Tutte polynomial

Juan Manuel Burgos

arxiv:1605.05499 v3 · 2016-05-18 · 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{JN7IZYQ7WRFIWHYNZ55QSDYQVL}

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	2026-05-18T00:29:52.198348Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b7e8ce21fb44a8b1f0dcf7b090f10aad4644422186d1fd1949460313ed75722

Aliases

arxiv: 1605.05499 · arxiv_version: 1605.05499v3 · doi: 10.48550/arxiv.1605.05499 · pith_short_12: JN7IZYQ7WRFI · pith_short_16: JN7IZYQ7WRFIWHYN · pith_short_8: JN7IZYQ7

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/JN7IZYQ7WRFIWHYNZ55QSDYQVL \
  | 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: 4b7e8ce21fb44a8b1f0dcf7b090f10aad4644422186d1fd1949460313ed75722

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "844f6f5e616d140b15ec177fadd73193b17496859c5e61949b0b97515e80ade3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2016-05-18T09:58:06Z",
    "title_canon_sha256": "7b6d0b983255c5b7fbdf25ba247d4e450b150b02fd39223aea44691a536c7a2a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.05499",
    "kind": "arxiv",
    "version": 3
  }
}