Pith Number

pith:E3VCHOID

pith:2024:E3VCHOIDMHC55GWMPYXOCAPUNE

not attested not anchored not stored refs pending

Dudeney's Dissection is Optimal

Erik D. Demaine, Ryuhei Uehara, Tonan Kamata

arxiv:2412.03865 v4 · 2024-12-05 · cs.CG · cs.DM · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E3VCHOIDMHC55GWMPYXOCAPUNE}

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	2026-07-05T11:46:37.737981Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

26ea23b90361c5de9acc7e2ee101f46915e1565625c494c0d0d4b98747dbe75d

Aliases

arxiv: 2412.03865 · arxiv_version: 2412.03865v4 · doi: 10.48550/arxiv.2412.03865 · pith_short_12: E3VCHOIDMHC5 · pith_short_16: E3VCHOIDMHC55GWM · pith_short_8: E3VCHOID

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/E3VCHOIDMHC55GWMPYXOCAPUNE \
  | 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: 26ea23b90361c5de9acc7e2ee101f46915e1565625c494c0d0d4b98747dbe75d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a53235125f377a1b82d843a6ab5849c37345b0b91ae1edeeb12448aa81ae29d",
    "cross_cats_sorted": [
      "cs.DM",
      "math.GT"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2024-12-05T04:25:29Z",
    "title_canon_sha256": "95b2bef3fed791e56ead9f58355660a89c53f3fe0b57c660e367c6ed9115c814"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2412.03865",
    "kind": "arxiv",
    "version": 4
  }
}