Pith Number

pith:OT4NCV7X

pith:2020:OT4NCV7XB356X6BSCOAKFWASRO

not attested not anchored not stored refs pending

Sublinear separators in intersection graphs of convex shapes

Rose McCarty, Sergey Norin, Zdenek Dvorak

arxiv:2001.01552 v1 · 2020-01-06 · 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{OT4NCV7XB356X6BSCOAKFWASRO}

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	2026-07-05T00:29:47.734615Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74f8d157f70efbebf8321380a2d8128b851d2d6f8c893b40efdffb4ff256781c

Aliases

arxiv: 2001.01552 · arxiv_version: 2001.01552v1 · doi: 10.48550/arxiv.2001.01552 · pith_short_12: OT4NCV7XB356 · pith_short_16: OT4NCV7XB356X6BS · pith_short_8: OT4NCV7X

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/OT4NCV7XB356X6BSCOAKFWASRO \
  | 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: 74f8d157f70efbebf8321380a2d8128b851d2d6f8c893b40efdffb4ff256781c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf371bab8f97891e6c371641a0716b11ee12aa319afedaec08c9406e0283ad0e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2020-01-06T13:25:39Z",
    "title_canon_sha256": "3aafab79a69f35e8c811c18361a5890f5bed4ab9046cc5765888b482c926ff87"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.01552",
    "kind": "arxiv",
    "version": 1
  }
}