Pith Number

pith:ZOTSM44R

pith:2011:ZOTSM44R3GYJP6527SFZ5PLJES

not attested not anchored not stored refs pending

Guaranteed successful strategies for a square achievement game on an n by n grid

Thomas Jenrich

arxiv:1109.2341 v4 · 2011-09-11 · cs.DM · 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{ZOTSM44R3GYJP6527SFZ5PLJES}

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	2026-05-18T03:55:14.142427Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cba7267391d9b097fbbafc8b9ebd69249001229270535f25546c3a8d099dd356

Aliases

arxiv: 1109.2341 · arxiv_version: 1109.2341v4 · doi: 10.48550/arxiv.1109.2341 · pith_short_12: ZOTSM44R3GYJ · pith_short_16: ZOTSM44R3GYJP652 · pith_short_8: ZOTSM44R

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/ZOTSM44R3GYJP6527SFZ5PLJES \
  | 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: cba7267391d9b097fbbafc8b9ebd69249001229270535f25546c3a8d099dd356

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "721d839e72576129b3159d118ccd3c6e8272a0e297378a3716c39b62afa892ba",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2011-09-11T19:18:53Z",
    "title_canon_sha256": "bbb5e67d64868ff2dd04fac75723847899718ae86b454b072f520452d553a725"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.2341",
    "kind": "arxiv",
    "version": 4
  }
}