Pith Number

pith:LBTOWL2R

pith:2018:LBTOWL2RBL52PJTDHHOTFKCEC7

not attested not anchored not stored refs pending

Envy-free cake division without assuming the players prefer nonempty pieces

Fr\'ed\'eric Meunier, Shira Zerbib

arxiv:1804.00449 v2 · 2018-04-02 · math.CO · cs.GT · math.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LBTOWL2RBL52PJTDHHOTFKCEC7}

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	2026-05-17T23:56:25.101925Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5866eb2f510afba7a66339dd32a84417f09504c98270d00993549cfb5850b925

Aliases

arxiv: 1804.00449 · arxiv_version: 1804.00449v2 · doi: 10.48550/arxiv.1804.00449 · pith_short_12: LBTOWL2RBL52 · pith_short_16: LBTOWL2RBL52PJTD · pith_short_8: LBTOWL2R

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/LBTOWL2RBL52PJTDHHOTFKCEC7 \
  | 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: 5866eb2f510afba7a66339dd32a84417f09504c98270d00993549cfb5850b925

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40e3ffbaa2873d15d25fef6f470a41aacc5d1c122f58d031eb836c4502f7aa29",
    "cross_cats_sorted": [
      "cs.GT",
      "math.GN"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-04-02T11:07:11Z",
    "title_canon_sha256": "359737711b6dbabdf03294c268d319f22a86647d639da734022a00bd0bf28530"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.00449",
    "kind": "arxiv",
    "version": 2
  }
}