Pith Number

pith:FFQXBBGY

pith:2011:FFQXBBGY3X2OILPJBHLQOSBV5V

not attested not anchored not stored refs pending

The Ditmarsch Tale of Wonders - The Dynamics of Lying

Hans van Ditmarsch

arxiv:1108.2115 v2 · 2011-08-10 · 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{FFQXBBGY3X2OILPJBHLQOSBV5V}

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	2026-05-18T03:59:38.143146Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

29617084d8ddf4e42de909d7074835ed4ea184d7954150c47cf143128af8473b

Aliases

arxiv: 1108.2115 · arxiv_version: 1108.2115v2 · doi: 10.48550/arxiv.1108.2115 · pith_short_12: FFQXBBGY3X2O · pith_short_16: FFQXBBGY3X2OILPJ · pith_short_8: FFQXBBGY

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/FFQXBBGY3X2OILPJBHLQOSBV5V \
  | 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: 29617084d8ddf4e42de909d7074835ed4ea184d7954150c47cf143128af8473b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ac6631a410be5cd5e5ffac16166815ca9e26b8f302365287cadb15bc238c6f5",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2011-08-10T07:55:15Z",
    "title_canon_sha256": "bd388bb61ffe5e4d17eeed1396f2dbe2698eedd12b209ecfc6b004146e645c61"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.2115",
    "kind": "arxiv",
    "version": 2
  }
}