Pith Number

pith:KWCSO3KZ

pith:2011:KWCSO3KZQHPIQ24TDCNY5FBE6E

not attested not anchored not stored refs pending

The Variety of Polar Simplices

Frank-Olaf Schreyer, Kristian Ranestad

arxiv:1104.2728 v2 · 2011-04-14 · 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{KWCSO3KZQHPIQ24TDCNY5FBE6E}

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	2026-05-18T03:57:12.909931Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5585276d5981de886b93189b8e9424f1364495c57892bdf6afb7c61aae500be9

Aliases

arxiv: 1104.2728 · arxiv_version: 1104.2728v2 · doi: 10.48550/arxiv.1104.2728 · pith_short_12: KWCSO3KZQHPI · pith_short_16: KWCSO3KZQHPIQ24T · pith_short_8: KWCSO3KZ

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/KWCSO3KZQHPIQ24TDCNY5FBE6E \
  | 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: 5585276d5981de886b93189b8e9424f1364495c57892bdf6afb7c61aae500be9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e11644bb982eb66cbcdc3342af230e10e77e7307719e531d97189d374a001f4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2011-04-14T11:23:59Z",
    "title_canon_sha256": "8aafb14d7feb1059a7623a0905a426b9dde9e13d52c8bea998d3e8f15cf49763"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.2728",
    "kind": "arxiv",
    "version": 2
  }
}