Pith Number

pith:YT3XNKCQ

pith:2013:YT3XNKCQJGM2BBYI2TNMLAUT53

not attested not anchored not stored refs pending

Backdoors to Normality for Disjunctive Logic Programs

Johannes Klaus Fichte, Stefan Szeider

arxiv:1301.1391 v2 · 2013-01-08 · cs.LO · cs.AI · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YT3XNKCQJGM2BBYI2TNMLAUT53}

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	2026-05-18T03:26:33.648351Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4f776a8504999a08708d4dac58293eeebac85110f347ee027869a4724fed22f

Aliases

arxiv: 1301.1391 · arxiv_version: 1301.1391v2 · doi: 10.48550/arxiv.1301.1391 · pith_short_12: YT3XNKCQJGM2 · pith_short_16: YT3XNKCQJGM2BBYI · pith_short_8: YT3XNKCQ

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/YT3XNKCQJGM2BBYI2TNMLAUT53 \
  | 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: c4f776a8504999a08708d4dac58293eeebac85110f347ee027869a4724fed22f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c0a382bc6b86ca81851103756180c96197ece047290b16dc78a427d5ed77485",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2013-01-08T02:29:37Z",
    "title_canon_sha256": "16635051fd6b23764ef611b57b5d6c5484ed17facd47c6bba2a848b18dfea21e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.1391",
    "kind": "arxiv",
    "version": 2
  }
}