Pith Number

pith:A4AYYWSR

pith:2015:A4AYYWSRF4WEZ3U2HZHRCOGLF5

not attested not anchored not stored refs pending

Fair and Square: Cake-Cutting in Two Dimensions

Avinatan Hassidim, Erel Segal-Halevi, Shmuel Nitzan, Yonatan Aumann

arxiv:1510.03170 v2 · 2015-10-12 · cs.GT · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A4AYYWSRF4WEZ3U2HZHRCOGLF5}

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	2026-05-18T00:24:53.459675Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07018c5a512f2c4cee9a3e4f1138cb2f47b0a38de09bfae0b631ec963fd77124

Aliases

arxiv: 1510.03170 · arxiv_version: 1510.03170v2 · doi: 10.48550/arxiv.1510.03170 · pith_short_12: A4AYYWSRF4WE · pith_short_16: A4AYYWSRF4WEZ3U2 · pith_short_8: A4AYYWSR

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/A4AYYWSRF4WEZ3U2HZHRCOGLF5 \
  | 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: 07018c5a512f2c4cee9a3e4f1138cb2f47b0a38de09bfae0b631ec963fd77124

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a98915bd60414105ae62ca7032d4af9ed4e9554c8293c7a89bd21c6ef5117f46",
    "cross_cats_sorted": [
      "cs.CG"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2015-10-12T07:39:46Z",
    "title_canon_sha256": "dfbaba26db1dd4031236238be0aeef25a8cba0f4b7a16ce3b971d3e94e727a04"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.03170",
    "kind": "arxiv",
    "version": 2
  }
}