Pith Number

pith:A7NKWVXM

pith:2014:A7NKWVXMGCWDJGGX3GN4L4Z3QX

not attested not anchored not stored refs pending

Highly symmetric matroids, the strong Rayleigh property, and sums of squares

David G. Wagner, Wenbo Gao

arxiv:1411.7735 v1 · 2014-11-28 · 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{A7NKWVXMGCWDJGGX3GN4L4Z3QX}

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	2026-05-18T02:32:37.336059Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07daab56ec30ac3498d7d99bc5f33b85e4883b68cad867fa49da1d19f2af427d

Aliases

arxiv: 1411.7735 · arxiv_version: 1411.7735v1 · doi: 10.48550/arxiv.1411.7735 · pith_short_12: A7NKWVXMGCWD · pith_short_16: A7NKWVXMGCWDJGGX · pith_short_8: A7NKWVXM

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/A7NKWVXMGCWDJGGX3GN4L4Z3QX \
  | 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: 07daab56ec30ac3498d7d99bc5f33b85e4883b68cad867fa49da1d19f2af427d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9da2cfd8c12600c5a2ed03eea0315e2640f4a38f9305fc22fcddb435e182f3b8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-11-28T01:43:30Z",
    "title_canon_sha256": "d964d2e499ee921926d9435d578424f094692cbf97203bcab42c94691a1c37fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.7735",
    "kind": "arxiv",
    "version": 1
  }
}