Pith Number

pith:MR3UFLLO

pith:2012:MR3UFLLORJNKMTH7DYH57HN6I3

not attested not anchored not stored refs pending

Relational Theories with Null Values and Non-Herbrand Stable Models

Fangkai Yang, Karl Pichotta, Vladimir Lifschitz

arxiv:1210.4130 v1 · 2012-10-15 · cs.LO · cs.AI · cs.DB

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MR3UFLLORJNKMTH7DYH57HN6I3}

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	2026-05-18T03:43:07.944514Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

647742ad6e8a5aa64cff1e0fdf9dbe46d6ac6cefdac535206091b4d4bd7d9859

Aliases

arxiv: 1210.4130 · arxiv_version: 1210.4130v1 · doi: 10.48550/arxiv.1210.4130 · pith_short_12: MR3UFLLORJNK · pith_short_16: MR3UFLLORJNKMTH7 · pith_short_8: MR3UFLLO

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/MR3UFLLORJNKMTH7DYH57HN6I3 \
  | 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: 647742ad6e8a5aa64cff1e0fdf9dbe46d6ac6cefdac535206091b4d4bd7d9859

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b8e07b543294598a24121f78a64dfcdf5793c204107ce3db13c04f14f00e3a0",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.DB"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2012-10-15T18:10:13Z",
    "title_canon_sha256": "6d69b5039b3b90cfa734c6f398966e472e5a06538d675383d67c6e26862cb65c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.4130",
    "kind": "arxiv",
    "version": 1
  }
}