Pith Number

pith:QMEAULQB

pith:2021:QMEAULQBXKIOL6UIRLCW6D6ZV5

not attested not anchored not stored refs pending

On Existence of Truthful Fair Cake Cutting Mechanisms

Biaoshuai Tao, Jiaxin Song, Xiaolin Bu

arxiv:2104.07387 v3 · 2021-04-15 · 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{QMEAULQBXKIOL6UIRLCW6D6ZV5}

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	2026-07-05T05:56:12.431402Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83080a2e01ba90e5fa888ac56f0fd9af5f0fcf0221d6eabb33a3d9d907aed4fe

Aliases

arxiv: 2104.07387 · arxiv_version: 2104.07387v3 · doi: 10.48550/arxiv.2104.07387 · pith_short_12: QMEAULQBXKIO · pith_short_16: QMEAULQBXKIOL6UI · pith_short_8: QMEAULQB

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/QMEAULQBXKIOL6UIRLCW6D6ZV5 \
  | 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: 83080a2e01ba90e5fa888ac56f0fd9af5f0fcf0221d6eabb33a3d9d907aed4fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "928c4d6e9b1569a7606d5cc29c14efcb62dedc859547e987b5e5358dc2065557",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2021-04-15T11:32:18Z",
    "title_canon_sha256": "4d327598968946f842e2fe91bc661769e9f21a6bd5fb70151c28ab0eae6057f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.07387",
    "kind": "arxiv",
    "version": 3
  }
}