Pith Number

pith:F7ZI43PA

pith:2010:F7ZI43PAKUBFKW24SXCYMSFJMD

not attested not anchored not stored refs pending

Querying for the Largest Empty Geometric Object in a Desired Location

Anil Maheshwari, John Augustine, Sandip Das, Sasanka Roy, Subhas Nandy, Swami Sarvattomananda

arxiv:1004.0558 v2 · 2010-04-05 · cs.CG · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F7ZI43PAKUBFKW24SXCYMSFJMD}

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	2026-05-18T04:33:15.788539Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ff28e6de05502555b5c95c58648a960de26361eb05012bab156ac4c9ffe1b8f

Aliases

arxiv: 1004.0558 · arxiv_version: 1004.0558v2 · doi: 10.48550/arxiv.1004.0558 · pith_short_12: F7ZI43PAKUBF · pith_short_16: F7ZI43PAKUBFKW24 · pith_short_8: F7ZI43PA

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/F7ZI43PAKUBFKW24SXCYMSFJMD \
  | 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: 2ff28e6de05502555b5c95c58648a960de26361eb05012bab156ac4c9ffe1b8f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24c5fc81a621381ced503ff9ca9c561de20251dceae638efb9d3821aaa05a706",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2010-04-05T03:36:48Z",
    "title_canon_sha256": "6ca00c7a62159efa7c4d2ad72347ee43b96d692e6de4f4d901cc613533036d08"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.0558",
    "kind": "arxiv",
    "version": 2
  }
}