Pith Number

pith:475HRIL7

pith:2011:475HRIL7J5MN5SP3VLV3EIA6XY

not attested not anchored not stored refs pending

Counting large distances in convex polygons

David Pritchard, Filip Mori\'c

arxiv:1103.0412 v2 · 2011-03-02 · math.CO · 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{475HRIL7J5MN5SP3VLV3EIA6XY}

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	2026-05-18T04:16:40.750543Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7fa78a17f4f58dec9fbaaebb2201ebe3361b98758ac5ac24f0fe1a67cc53e4e

Aliases

arxiv: 1103.0412 · arxiv_version: 1103.0412v2 · doi: 10.48550/arxiv.1103.0412 · pith_short_12: 475HRIL7J5MN · pith_short_16: 475HRIL7J5MN5SP3 · pith_short_8: 475HRIL7

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/475HRIL7J5MN5SP3VLV3EIA6XY \
  | 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: e7fa78a17f4f58dec9fbaaebb2201ebe3361b98758ac5ac24f0fe1a67cc53e4e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "299a5a3099bf75cf3fee7c73ebfa8e50e30c69d536b97af15e319ec776281e41",
    "cross_cats_sorted": [
      "cs.CG"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2011-03-02T12:46:34Z",
    "title_canon_sha256": "dd31f1f7afb0a1c66f07f7e58fb77e17b6553ab84ddeeda81a8608422b0d7ba2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.0412",
    "kind": "arxiv",
    "version": 2
  }
}