Pith Number

pith:TW5PURZI

pith:2014:TW5PURZIU7KJE6Z5V6B7MPAJUN

not attested not anchored not stored refs pending

A Leapfrog Strategy for Pursuit-Evasion in a Polygonal Environment

Andrew Beveridge, Brendan Ames, Claire Djang, Maxray Savage, Rosalie Carlson, Stephen Ragain, Volkan Isler

arxiv:1401.2960 v2 · 2014-01-13 · 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{TW5PURZIU7KJE6Z5V6B7MPAJUN}

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	2026-05-18T02:39:48.489214Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9dbafa4728a7d4927b3daf83f63c09a361a4211ab98c9a0c5f559b8c59f4643b

Aliases

arxiv: 1401.2960 · arxiv_version: 1401.2960v2 · doi: 10.48550/arxiv.1401.2960 · pith_short_12: TW5PURZIU7KJ · pith_short_16: TW5PURZIU7KJE6Z5 · pith_short_8: TW5PURZI

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/TW5PURZIU7KJE6Z5V6B7MPAJUN \
  | 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: 9dbafa4728a7d4927b3daf83f63c09a361a4211ab98c9a0c5f559b8c59f4643b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3109a4e9fcb89ac5884256e73b1b60512a8fb431cbe267b4d4294dac55319d71",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2014-01-13T19:34:19Z",
    "title_canon_sha256": "48133b06d8d461ef515a6a9c49090bc1dee7f60f946506a597cb48ef41258619"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.2960",
    "kind": "arxiv",
    "version": 2
  }
}