Pith Number

pith:FQDA5B6N

pith:2026:FQDA5B6N7XD3LMEM7XYMONW3MG

not attested not anchored not stored refs pending

EFX for Additive Chores: Nonexistence, Pareto Incompatibility, and Bi-Valued Existence

Biaoshuai Tao, Wentao He

arxiv:2606.08872 v1 · 2026-06-07 · cs.GT · econ.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FQDA5B6N7XD3LMEM7XYMONW3MG}

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	2026-06-09T02:07:44.524594Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c060e87cdfdc7b5b08cfdf0c736db6180e890c803256ea900be82f52d8d9e41

Aliases

arxiv: 2606.08872 · arxiv_version: 2606.08872v1 · doi: 10.48550/arxiv.2606.08872 · pith_short_12: FQDA5B6N7XD3 · pith_short_16: FQDA5B6N7XD3LMEM · pith_short_8: FQDA5B6N

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/FQDA5B6N7XD3LMEM7XYMONW3MG \
  | 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: 2c060e87cdfdc7b5b08cfdf0c736db6180e890c803256ea900be82f52d8d9e41

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "012252cb0e799b7bd8f5f474d4d86c77a01e66980ffca99a43baabde25b43f01",
    "cross_cats_sorted": [
      "econ.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2026-06-07T22:59:58Z",
    "title_canon_sha256": "5ef265dbe4f4a55bd8358d367625f7f2ac89bbe731ce1b444623d35171b8d876"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.08872",
    "kind": "arxiv",
    "version": 1
  }
}