Pith Number

pith:7EIZWIYP

pith:2017:7EIZWIYPQTUY5IZX5D4A2HAMKH

not attested not anchored not stored refs pending

Counting faces of nestohedra

Tanja Stojadinovi\'c, Vladimir Gruji\'c

arxiv:1703.08826 v2 · 2017-03-26 · 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{7EIZWIYPQTUY5IZX5D4A2HAMKH}

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	2026-05-18T00:32:20.718163Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9119b230f84e98ea337e8f80d1c0c51d99f8092b2a44e6369f0bb9ec1f2cb5a

Aliases

arxiv: 1703.08826 · arxiv_version: 1703.08826v2 · doi: 10.48550/arxiv.1703.08826 · pith_short_12: 7EIZWIYPQTUY · pith_short_16: 7EIZWIYPQTUY5IZX · pith_short_8: 7EIZWIYP

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/7EIZWIYPQTUY5IZX5D4A2HAMKH \
  | 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: f9119b230f84e98ea337e8f80d1c0c51d99f8092b2a44e6369f0bb9ec1f2cb5a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7478b0363a073c587a20bacdbff540d7678d71aa67e117c86fc83925bf621ef0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-03-26T15:28:06Z",
    "title_canon_sha256": "6106f81150f7a321d1ed3161a32e7b3441d3f37683fcf95d2ed95814c4486edd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.08826",
    "kind": "arxiv",
    "version": 2
  }
}