Pith Number

pith:55ETZVCY

pith:2016:55ETZVCY3DJ223VESRVVVHIR6S

not attested not anchored not stored refs pending

Proving the Incompatibility of Efficiency and Strategyproofness via SMT Solving

Christian Geist, Felix Brandt, Florian Brandl, Manuel Eberl

arxiv:1604.05692 v4 · 2016-04-19 · cs.GT · cs.AI · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{55ETZVCY3DJ223VESRVVVHIR6S}

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	2026-05-18T00:35:55.710970Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef493cd458d8d3ad6ea4946b5a9d11f4af87d98e1d0854d691a253358ded5917

Aliases

arxiv: 1604.05692 · arxiv_version: 1604.05692v4 · doi: 10.48550/arxiv.1604.05692 · pith_short_12: 55ETZVCY3DJ2 · pith_short_16: 55ETZVCY3DJ223VE · pith_short_8: 55ETZVCY

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/55ETZVCY3DJ223VESRVVVHIR6S \
  | 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: ef493cd458d8d3ad6ea4946b5a9d11f4af87d98e1d0854d691a253358ded5917

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66075ee37b65bce24a3e06ee80c33b36e6825eb72a4d5cd26e14de385fc70b62",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2016-04-19T19:01:55Z",
    "title_canon_sha256": "18b2e82b5a400f6eb4bbce720f22ffad5747e7a25d753cf0acaac538e5d565fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.05692",
    "kind": "arxiv",
    "version": 4
  }
}