Pith Number

pith:7QKKM7OM

pith:2015:7QKKM7OM3BYANEJ6VRA5EMNCUX

not attested not anchored not stored refs pending

A Discrete and Bounded Envy-free Cake Cutting Protocol for Four Agents

Haris Aziz, Simon Mackenzie

arxiv:1508.05143 v2 · 2015-08-20 · cs.DS · cs.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{7QKKM7OM3BYANEJ6VRA5EMNCUX}

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	2026-05-18T01:17:37.289446Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc14a67dccd87006913eac41d231a2a5c43ef26bb961d22f1c50b26828d6b794

Aliases

arxiv: 1508.05143 · arxiv_version: 1508.05143v2 · doi: 10.48550/arxiv.1508.05143 · pith_short_12: 7QKKM7OM3BYA · pith_short_16: 7QKKM7OM3BYANEJ6 · pith_short_8: 7QKKM7OM

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/7QKKM7OM3BYANEJ6VRA5EMNCUX \
  | 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: fc14a67dccd87006913eac41d231a2a5c43ef26bb961d22f1c50b26828d6b794

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "772d598b8e0886805c637f14d16efb72f3de64e2517daf056af991c03910e9e2",
    "cross_cats_sorted": [
      "cs.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2015-08-20T22:51:21Z",
    "title_canon_sha256": "05eeaaf0dc087e65b3aec2d235a83b99eadd8a90a66432b96e0d3d916a237a59"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.05143",
    "kind": "arxiv",
    "version": 2
  }
}