Pith Number

pith:WIOHVESI

pith:2011:WIOHVESIJMC4CODVNUKMMSUWPF

not attested not anchored not stored refs pending

A secure additive protocol for card players

Andres Cordon-Franco, David Fernandez-Duque, Fernando Soler-Toscano, Hans van Ditmarsch, Joost J. Joosten

arxiv:1111.0156 v1 · 2011-11-01 · cs.DM · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WIOHVESIJMC4CODVNUKMMSUWPF}

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	2026-05-18T03:32:31.934239Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b21c7a92484b05c138756d14c64a967969795c6bb26ec20de2619caee40ddd51

Aliases

arxiv: 1111.0156 · arxiv_version: 1111.0156v1 · doi: 10.48550/arxiv.1111.0156 · pith_short_12: WIOHVESIJMC4 · pith_short_16: WIOHVESIJMC4CODV · pith_short_8: WIOHVESI

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/WIOHVESIJMC4CODVNUKMMSUWPF \
  | 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: b21c7a92484b05c138756d14c64a967969795c6bb26ec20de2619caee40ddd51

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8743ac8e9d750fade58e2ca2961e403fcb1172fc47c5e29c0d9c1bfff9d80824",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2011-11-01T09:38:49Z",
    "title_canon_sha256": "3a763d8079bd6f03886ab7fc2c36800a65b604c0ff9f2da22a435980a813d7c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.0156",
    "kind": "arxiv",
    "version": 1
  }
}