Pith Number

pith:R5PJNSD5

pith:2021:R5PJNSD563TUX34SC3MABEB6ZJ

not attested not anchored not stored refs pending

One Apollonius Circle is Enough for Many Pursuit-Evasion Games

Alexander Von Moll, Daigo Shishika, Dipankar Maity, Michael Dorothy

arxiv:2111.09205 v2 · 2021-11-17 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R5PJNSD563TUX34SC3MABEB6ZJ}

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	2026-07-05T04:07:42.235460Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f5e96c87df6e74bef9216d800903eca71a593d92adfe4f9165d469d71151455

Aliases

arxiv: 2111.09205 · arxiv_version: 2111.09205v2 · doi: 10.48550/arxiv.2111.09205 · pith_short_12: R5PJNSD563TU · pith_short_16: R5PJNSD563TUX34S · pith_short_8: R5PJNSD5

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/R5PJNSD563TUX34SC3MABEB6ZJ \
  | 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: 8f5e96c87df6e74bef9216d800903eca71a593d92adfe4f9165d469d71151455

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b802857cf3a7d2234586f1106743b03bb6364af0b751936b009a1ef2128b778",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2021-11-17T15:56:07Z",
    "title_canon_sha256": "05ce49255ce72383d7e69e5f09ba250f01a3eed5614c0a7caf569a3456f8b77a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.09205",
    "kind": "arxiv",
    "version": 2
  }
}