Pith Number

pith:MA4YYXBD

pith:2005:MA4YYXBDIGTWTKTEAVC2PQRUCP

not attested not anchored not stored refs pending

A Note on the Size of the Largest Ball Inside a Convex Polytope

Imre Barany, Nandor Simanyi

arxiv:math/0505301 v2 · 2005-05-14 · math.MG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MA4YYXBDIGTWTKTEAVC2PQRUCP}

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	2026-05-18T04:42:22.434324Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

60398c5c2341a769aa640545a7c23413c14c1ce6e803cc435fea951c8f0c2d5c

Aliases

arxiv: math/0505301 · arxiv_version: math/0505301v2 · doi: 10.48550/arxiv.math/0505301 · pith_short_12: MA4YYXBDIGTW · pith_short_16: MA4YYXBDIGTWTKTE · pith_short_8: MA4YYXBD

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/MA4YYXBDIGTWTKTEAVC2PQRUCP \
  | 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: 60398c5c2341a769aa640545a7c23413c14c1ce6e803cc435fea951c8f0c2d5c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e510733bb1340b258bc2dc527057ceb3741bb6c4f406a86de7b6715a9a8e99fb",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.MG",
    "submitted_at": "2005-05-14T06:45:42Z",
    "title_canon_sha256": "8ef946b5b9eb7162f522fe20ef61e503adf9734fc9a72771e1559a6e1b2ff1dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0505301",
    "kind": "arxiv",
    "version": 2
  }
}