Pith Number

pith:26HS2FFN

pith:2018:26HS2FFNRYEZ7CZGLK45P3ZOFT

not attested not anchored not stored refs pending

The Mondrian Puzzle: A Connection to Number Theory

Cooper O'Kuhn

arxiv:1810.04585 v1 · 2018-10-10 · math.CO · math.NT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{26HS2FFNRYEZ7CZGLK45P3ZOFT}

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	2026-05-18T00:03:39.676437Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d78f2d14ad8e099f8b265ab9d7ef2e2cedbe2ab106e0dedc1a6f74b3d151ced9

Aliases

arxiv: 1810.04585 · arxiv_version: 1810.04585v1 · doi: 10.48550/arxiv.1810.04585 · pith_short_12: 26HS2FFNRYEZ · pith_short_16: 26HS2FFNRYEZ7CZG · pith_short_8: 26HS2FFN

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/26HS2FFNRYEZ7CZGLK45P3ZOFT \
  | 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: d78f2d14ad8e099f8b265ab9d7ef2e2cedbe2ab106e0dedc1a6f74b3d151ced9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a5b5a305c9ea4bbccc3dc9fda1631f87699e00890f102c7186aaae9a8ff7eeb",
    "cross_cats_sorted": [
      "math.NT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-10-10T15:25:24Z",
    "title_canon_sha256": "4c98f822a3cbeec91fa002062768a442fe4339709d3115fc5ba17db9d9ba1601"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.04585",
    "kind": "arxiv",
    "version": 1
  }
}