Pith Number

pith:SOE7MUUV

pith:2011:SOE7MUUVYSR3REPWGOFBZXNBRS

not attested not anchored not stored refs pending

Smooth Fano polytopes arising from finite directed graphs

Akihiro Higashitani

arxiv:1103.2202 v4 · 2011-03-11 · math.CO · 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{SOE7MUUVYSR3REPWGOFBZXNBRS}

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	2026-05-18T01:28:06.414489Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9389f65295c4a3b891f6338a1cdda18cb6d49774b56011da451f9f02806d2f4c

Aliases

arxiv: 1103.2202 · arxiv_version: 1103.2202v4 · doi: 10.48550/arxiv.1103.2202 · pith_short_12: SOE7MUUVYSR3 · pith_short_16: SOE7MUUVYSR3REPW · pith_short_8: SOE7MUUV

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/SOE7MUUVYSR3REPWGOFBZXNBRS \
  | 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: 9389f65295c4a3b891f6338a1cdda18cb6d49774b56011da451f9f02806d2f4c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e726151e759adc86d4d6fa5cc900668794943a8d89fb43674d685820ae676d21",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2011-03-11T06:51:18Z",
    "title_canon_sha256": "b84b3c8d0853a2fd5989185008d0ef4d6a25157638db7ba7376f0f7fd184c396"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.2202",
    "kind": "arxiv",
    "version": 4
  }
}