Pith Number

pith:VPHM2AYT

pith:2018:VPHM2AYTMBTMTWVS756IDOBJDX

not attested not anchored not stored refs pending

Weighted model counting beyond two-variable logic

Antti Kuusisto, Carsten Lutz

arxiv:1804.10185 v1 · 2018-04-26 · 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{VPHM2AYTMBTMTWVS756IDOBJDX}

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	2026-05-18T00:17:24.881996Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

abcecd03136066c9dab2ff7c81b8291dc019fb0454115c1409d13b64f5c56b7f

Aliases

arxiv: 1804.10185 · arxiv_version: 1804.10185v1 · doi: 10.48550/arxiv.1804.10185 · pith_short_12: VPHM2AYTMBTM · pith_short_16: VPHM2AYTMBTMTWVS · pith_short_8: VPHM2AYT

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/VPHM2AYTMBTMTWVS756IDOBJDX \
  | 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: abcecd03136066c9dab2ff7c81b8291dc019fb0454115c1409d13b64f5c56b7f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "174df2231cf1352b986251cc0f71b6b792acd83b5b43d23c10f9f3fc191be813",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2018-04-26T17:36:18Z",
    "title_canon_sha256": "1d05eba56eabc2a90c4a3e5b1f5b4d2f595b8190bb29b4e27e9c354264d0fc94"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.10185",
    "kind": "arxiv",
    "version": 1
  }
}