Pith Number

pith:WSUJZALD

pith:2017:WSUJZALD4LBCM6I5JBENO5EINP

not attested not anchored not stored refs pending

On the vertex degrees of the skeleton of the matching polytope of a graph

Carlos Henrique do Nascimento, Laura Patuzzi, Liliana Costa, Nair Abreu

arxiv:1701.06210 v2 · 2017-01-22 · 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{WSUJZALD4LBCM6I5JBENO5EINP}

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	2026-05-18T00:47:26.292134Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4a89c8163e2c226791d4848d774886bd84ecfd0430d2a12db83da3c4ad13cc6

Aliases

arxiv: 1701.06210 · arxiv_version: 1701.06210v2 · doi: 10.48550/arxiv.1701.06210 · pith_short_12: WSUJZALD4LBC · pith_short_16: WSUJZALD4LBCM6I5 · pith_short_8: WSUJZALD

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/WSUJZALD4LBCM6I5JBENO5EINP \
  | 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: b4a89c8163e2c226791d4848d774886bd84ecfd0430d2a12db83da3c4ad13cc6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc89de2f85a053f59d4ebf4640fd714b47911435378743188c3c9365a1d83da9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-01-22T19:20:50Z",
    "title_canon_sha256": "b143a616738a71c912c7b16b7cc04e427cd8ee5deaaaa4c1a019793f0b77da1d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.06210",
    "kind": "arxiv",
    "version": 2
  }
}