Pith Number

pith:Y2YEEKV3

pith:2022:Y2YEEKV3AVFVVVTTPCM5WGPXZR

not attested not anchored not stored refs pending

Variations on the Missionaries and Cannibals Problem

Doron Zeilberger, George Spahn

arxiv:2210.12269 v1 · 2022-10-21 · 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{Y2YEEKV3AVFVVVTTPCM5WGPXZR}

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.

Cited by

1 paper in Pith

Rethinking the Illusion of Thinking

Receipt and verification

First computed	2026-07-05T05:09:25.964373Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c6b0422abb054b5ad6737899db19f7cc737c5f098d16d46248c3eabc5d2c8cc2

Aliases

arxiv: 2210.12269 · arxiv_version: 2210.12269v1 · doi: 10.48550/arxiv.2210.12269 · pith_short_12: Y2YEEKV3AVFV · pith_short_16: Y2YEEKV3AVFVVVTT · pith_short_8: Y2YEEKV3

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/Y2YEEKV3AVFVVVTTPCM5WGPXZR \
  | 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: c6b0422abb054b5ad6737899db19f7cc737c5f098d16d46248c3eabc5d2c8cc2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac770e2bb1cbb25f560edc585eb96d5c9ccb27964342523a67e2084da879406a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2022-10-21T21:51:25Z",
    "title_canon_sha256": "b5eebf75ea288849b246ffe3be2d21bd1c54df613bf0aff14266afa126eb4f59"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2210.12269",
    "kind": "arxiv",
    "version": 1
  }
}