Pith Number

pith:Q7WIBOGR

pith:2018:Q7WIBOGRAOU5TARSU2H6P3GQ43

not attested not anchored not stored refs pending

On Triangluar Separation of Bichromatic Point Sets in Polygonal Environment

Farnaz Sheikhi, Sharareh Alipour

arxiv:1809.00116 v1 · 2018-09-01 · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q7WIBOGRAOU5TARSU2H6P3GQ43}

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	2026-05-18T00:06:36.066504Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87ec80b8d103a9d98232a68fe7ecd0e6de0af8efcbbee2817c90a7a5f5eab781

Aliases

arxiv: 1809.00116 · arxiv_version: 1809.00116v1 · doi: 10.48550/arxiv.1809.00116 · pith_short_12: Q7WIBOGRAOU5 · pith_short_16: Q7WIBOGRAOU5TARS · pith_short_8: Q7WIBOGR

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/Q7WIBOGRAOU5TARSU2H6P3GQ43 \
  | 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: 87ec80b8d103a9d98232a68fe7ecd0e6de0af8efcbbee2817c90a7a5f5eab781

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c571fb14276e3cfcb9b51bcea35c2e74db944681741b0d773b7d5f9f4b41bd3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2018-09-01T05:23:55Z",
    "title_canon_sha256": "230daea63218fab67b9807ed6a7d41774fefc0320aecbb530cf7050aa6f645ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.00116",
    "kind": "arxiv",
    "version": 1
  }
}