Pith Number

pith:QSU7WZOW

pith:2011:QSU7WZOW55GVBQMLNIOGQJIHBV

not attested not anchored not stored refs pending

Logical Varieties in Normative Reasoning

Kees (C.N.J.) de Vey Mestdagh, Mark Burgin

arxiv:1104.1466 v1 · 2011-04-08 · cs.LO · math.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{QSU7WZOW55GVBQMLNIOGQJIHBV}

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	2026-05-18T04:24:44.983164Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84a9fb65d6ef4d50c18b6a1c6825070d4c081d80e22d82097f95232626a1fba6

Aliases

arxiv: 1104.1466 · arxiv_version: 1104.1466v1 · doi: 10.48550/arxiv.1104.1466 · pith_short_12: QSU7WZOW55GV · pith_short_16: QSU7WZOW55GVBQML · pith_short_8: QSU7WZOW

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/QSU7WZOW55GVBQMLNIOGQJIHBV \
  | 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: 84a9fb65d6ef4d50c18b6a1c6825070d4c081d80e22d82097f95232626a1fba6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43bef8c0b0ba0649f2e98ac8f880e8ecf83bd57a6a04bd0c6918e1833f01956d",
    "cross_cats_sorted": [
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2011-04-08T01:41:22Z",
    "title_canon_sha256": "f1fb438f133924590fff4e5f3caa1330bc79c8d4bf9f530b9e217614e1d20354"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.1466",
    "kind": "arxiv",
    "version": 1
  }
}