pith. sign in
Pith Number

pith:JPN4F5HO

pith:2013:JPN4F5HOPLAVH4NZXGNTW3RZUK
not attested not anchored not stored refs pending

Negation in the Head of CP-logic Rules

Joost Vennekens

arxiv:1312.6156 v1 · 2013-12-20 · cs.AI

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{JPN4F5HOPLAVH4NZXGNTW3RZUK}

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 2026-05-18T03:04:05.911437Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

4bdbc2f4ee7ac153f1b9b99b3b6e39a2b6c068ab762495a8f1574589c5b2719c

Aliases

arxiv: 1312.6156 · arxiv_version: 1312.6156v1 · doi: 10.48550/arxiv.1312.6156 · pith_short_12: JPN4F5HOPLAV · pith_short_16: JPN4F5HOPLAVH4NZ · pith_short_8: JPN4F5HO
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/JPN4F5HOPLAVH4NZXGNTW3RZUK \
  | 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: 4bdbc2f4ee7ac153f1b9b99b3b6e39a2b6c068ab762495a8f1574589c5b2719c
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "86e66ebffdbe844928370f60438c7f9aba7a897e09e330cfa4164d949326bf0c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2013-12-20T21:41:20Z",
    "title_canon_sha256": "50c34df20866d4fd1e8972c76da74493562228f46e394b7d080de9c50c7dd35a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.6156",
    "kind": "arxiv",
    "version": 1
  }
}