Pith Number

pith:LJZTOZPW

pith:2019:LJZTOZPWXDJQETE6NOMLQINT62

not attested not anchored not stored refs pending

Two-element structures modulo primitive positive constructability

Albert Vucaj, Manuel Bodirsky

arxiv:1905.12333 v2 · 2019-05-29 · math.RA · 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{LJZTOZPWXDJQETE6NOMLQINT62}

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.

Cited by

4 papers in Pith

Almost Symmetric Linear Arc Monadic Datalog and Transitive Tournaments

Primitive Positive Constructions Among Finite Permutation Groups

Symmetric Linear Arc Monadic Datalog and Gadget Reductions

Graph Homomorphisms and Universal Algebra

Receipt and verification

First computed	2026-07-05T00:37:16.838867Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a733765f6b8d3024c9e6b98b821b3f6a3629cc0353d4231e41cce0f483e7029

Aliases

arxiv: 1905.12333 · arxiv_version: 1905.12333v2 · doi: 10.48550/arxiv.1905.12333 · pith_short_12: LJZTOZPWXDJQ · pith_short_16: LJZTOZPWXDJQETE6 · pith_short_8: LJZTOZPW

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/LJZTOZPWXDJQETE6NOMLQINT62 \
  | 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: 5a733765f6b8d3024c9e6b98b821b3f6a3629cc0353d4231e41cce0f483e7029

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "152b830073dc9d36105134d0a69e14937c0ad21cbf0d18fb11ddb519f035be05",
    "cross_cats_sorted": [
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2019-05-29T11:25:05Z",
    "title_canon_sha256": "96e8d12fd883651f38efcb003287dc0e860ffe7a3ed094da70ced1c31bbd9a70"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.12333",
    "kind": "arxiv",
    "version": 2
  }
}