Pith Number

pith:VEOQ42UO

pith:2017:VEOQ42UOU2TVXCAJOAZKIGW4CV

not attested not anchored not stored refs pending

Example of C-rigid polytopes which are not B-rigid

Kyoungsuk Park, Suyoung Choi

arxiv:1706.03240 v1 · 2017-06-10 · math.AT · 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{VEOQ42UOU2TVXCAJOAZKIGW4CV}

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	2026-05-18T00:42:38.083862Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a91d0e6a8ea6a75b88097032a41adc1579e499c0a7c5c620c5ff54e239d618a5

Aliases

arxiv: 1706.03240 · arxiv_version: 1706.03240v1 · doi: 10.48550/arxiv.1706.03240 · pith_short_12: VEOQ42UOU2TV · pith_short_16: VEOQ42UOU2TVXCAJ · pith_short_8: VEOQ42UO

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/VEOQ42UOU2TVXCAJOAZKIGW4CV \
  | 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: a91d0e6a8ea6a75b88097032a41adc1579e499c0a7c5c620c5ff54e239d618a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ccbaaaa577a42bfa53dbf7fc5851817e8b596e31c0cc7a7901166ed2fdda6f30",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2017-06-10T14:19:16Z",
    "title_canon_sha256": "4c0c66ff99822c78bbc94ad993203d3e39cfa36639a77e3689b018a6d4dd31dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.03240",
    "kind": "arxiv",
    "version": 1
  }
}