Pith Number

pith:5NWBFU5Z

pith:2015:5NWBFU5ZMNCICKRIVKZSCIMLYN

not attested not anchored not stored refs pending

Scribability problems for polytopes

Arnau Padrol, Hao Chen

arxiv:1508.03537 v2 · 2015-08-14 · math.MG · 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{5NWBFU5ZMNCICKRIVKZSCIMLYN}

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	2026-05-18T00:07:56.269876Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb6c12d3b96344812a28aab321218bc36b648528b0bf6ea58ce3e5459abcd87e

Aliases

arxiv: 1508.03537 · arxiv_version: 1508.03537v2 · doi: 10.48550/arxiv.1508.03537 · pith_short_12: 5NWBFU5ZMNCI · pith_short_16: 5NWBFU5ZMNCICKRI · pith_short_8: 5NWBFU5Z

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/5NWBFU5ZMNCICKRIVKZSCIMLYN \
  | 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: eb6c12d3b96344812a28aab321218bc36b648528b0bf6ea58ce3e5459abcd87e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c85554bdecb0acd974ff5ff7fd34589df509a8792e39f73c4998cfd84774e9d3",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2015-08-14T15:05:55Z",
    "title_canon_sha256": "4df85d164ae562be0eb47998280338f00a7a96cff1d012eda94f3acb58131c83"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.03537",
    "kind": "arxiv",
    "version": 2
  }
}