Pith Number

pith:ZFHTDDBD

pith:2011:ZFHTDDBDTYE46NE25WWU5BCH2C

not attested not anchored not stored refs pending

Square root voting system, optimal threshold and \pi

Karol Zyczkowski, Wojciech Slomczynski

arxiv:1104.5213 v2 · 2011-04-27 · physics.soc-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZFHTDDBDTYE46NE25WWU5BCH2C}

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	2026-05-18T00:20:49.630529Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c94f318c239e09cf349aedad4e8447d08f0dbdfe59916802dab3972216bce98e

Aliases

arxiv: 1104.5213 · arxiv_version: 1104.5213v2 · doi: 10.48550/arxiv.1104.5213 · pith_short_12: ZFHTDDBDTYE4 · pith_short_16: ZFHTDDBDTYE46NE2 · pith_short_8: ZFHTDDBD

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/ZFHTDDBDTYE46NE25WWU5BCH2C \
  | 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: c94f318c239e09cf349aedad4e8447d08f0dbdfe59916802dab3972216bce98e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e8a29b97d9bda70a1d2ebc4782d4cb898f446b92172a6fd78bcf7b9697f11bc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2011-04-27T18:51:41Z",
    "title_canon_sha256": "517bcde20a7b01adcd49fceb88502a8baf0aa3d60229dd266a16da3e6992cfbe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.5213",
    "kind": "arxiv",
    "version": 2
  }
}