Pith Number

pith:P4CAXGA5

pith:2017:P4CAXGA5NO4UUY2XLG42N64EBF

not attested not anchored not stored refs pending

A formalization of convex polyhedra based on the simplex method

Ricardo D. Katz, Xavier Allamigeon

arxiv:1706.10269 v2 · 2017-06-30 · cs.LO · math.CO · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P4CAXGA5NO4UUY2XLG42N64EBF}

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	2026-05-18T00:08:23.623075Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f040b981d6bb94a635759b9a6fb840955e8128fe288f4c3e22873f0263a7e00

Aliases

arxiv: 1706.10269 · arxiv_version: 1706.10269v2 · doi: 10.48550/arxiv.1706.10269 · pith_short_12: P4CAXGA5NO4U · pith_short_16: P4CAXGA5NO4UUY2X · pith_short_8: P4CAXGA5

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/P4CAXGA5NO4UUY2XLG42N64EBF \
  | 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: 7f040b981d6bb94a635759b9a6fb840955e8128fe288f4c3e22873f0263a7e00

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4bf520e4cd873f905cc0a12b2f0d5d1748cd3b00a23b1aaf884ef2316a7fda9",
    "cross_cats_sorted": [
      "math.CO",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2017-06-30T16:50:25Z",
    "title_canon_sha256": "de09bd7b934be24e721665d66f4014be38682356c3488a12122b43a8536d4fa8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.10269",
    "kind": "arxiv",
    "version": 2
  }
}