Pith Number

pith:YWXNIE7T

pith:2018:YWXNIE7TZ2OKZXQLLUXWEL3FQ3

not attested not anchored not stored refs pending

Model Theory of Monadic Predicate Logic with the Infinity Quantifier

Alessandro Facchini, Fabio Zanasi, Facundo Carreiro, Yde Venema

arxiv:1809.03262 v1 · 2018-09-10 · 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{YWXNIE7TZ2OKZXQLLUXWEL3FQ3}

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	2026-05-18T00:06:09.439987Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5aed413f3ce9cacde0b5d2f622f6586c6a9d9069b465a1cd57614cee135f9f3

Aliases

arxiv: 1809.03262 · arxiv_version: 1809.03262v1 · doi: 10.48550/arxiv.1809.03262 · pith_short_12: YWXNIE7TZ2OK · pith_short_16: YWXNIE7TZ2OKZXQL · pith_short_8: YWXNIE7T

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/YWXNIE7TZ2OKZXQLLUXWEL3FQ3 \
  | 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: c5aed413f3ce9cacde0b5d2f622f6586c6a9d9069b465a1cd57614cee135f9f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa1df2ee8f44cb4e5c8722ca651a94583c402d48a3185d6b95c1fb76999a2969",
    "cross_cats_sorted": [
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2018-09-10T12:12:28Z",
    "title_canon_sha256": "ffdc8eb87d58740053c98bd88833037ef9fc698b50a35f6dba7aea4150fb2314"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.03262",
    "kind": "arxiv",
    "version": 1
  }
}