pith. sign in
Pith Number

pith:4IDXLQDY

pith:2013:4IDXLQDYMX5IBVD6CJNMNDOHS6
not attested not anchored not stored refs pending

Geometric properties of semitube domains

{\L}ukasz Kosi\'nski, Tomasz Warszawski, W{\l}odzimierz Zwonek

arxiv:1307.8359 v3 · 2013-07-31 · math.CV

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{4IDXLQDYMX5IBVD6CJNMNDOHS6}

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 2026-05-18T02:18:50.098227Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

e20775c07865fa80d47e125ac68dc797ac7c70947bbb5d513d909ff5850b1771

Aliases

arxiv: 1307.8359 · arxiv_version: 1307.8359v3 · doi: 10.48550/arxiv.1307.8359 · pith_short_12: 4IDXLQDYMX5I · pith_short_16: 4IDXLQDYMX5IBVD6 · pith_short_8: 4IDXLQDY
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/4IDXLQDYMX5IBVD6CJNMNDOHS6 \
  | 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: e20775c07865fa80d47e125ac68dc797ac7c70947bbb5d513d909ff5850b1771
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "38c4ee09f281df511e6cf6afb970fc1723fa6257d176c1cc5f8b059d786f4cf8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2013-07-31T15:39:13Z",
    "title_canon_sha256": "2f65c672d914fe0c39e51e51a174d96b32d56c87d5396e654e47eb38173e2874"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.8359",
    "kind": "arxiv",
    "version": 3
  }
}