Pith Number

pith:CWBKPLWK

pith:2018:CWBKPLWKZRLZCYP2VNHLAG6NCB

not attested not anchored not stored refs pending

An iterative approach to precondition inference using constrained Horn clauses

Bishoksan Kafle, Graeme Gange, Harald Sondergaard, John P. Gallagher, Peter J. Stuckey, Peter Schachte

arxiv:1804.05989 v1 · 2018-04-17 · 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{CWBKPLWKZRLZCYP2VNHLAG6NCB}

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	2026-05-18T00:18:22.124178Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1582a7aecacc579161faab4eb01bcd105d9f26c5a365827b6b95445a8eb1cd41

Aliases

arxiv: 1804.05989 · arxiv_version: 1804.05989v1 · doi: 10.48550/arxiv.1804.05989 · pith_short_12: CWBKPLWKZRLZ · pith_short_16: CWBKPLWKZRLZCYP2 · pith_short_8: CWBKPLWK

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/CWBKPLWKZRLZCYP2VNHLAG6NCB \
  | 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: 1582a7aecacc579161faab4eb01bcd105d9f26c5a365827b6b95445a8eb1cd41

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e67352ca12f122fb1a07022da6881b730cf50804bf77c4952c04cc6dc2cd056f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2018-04-17T00:13:24Z",
    "title_canon_sha256": "37e72926f834c968569fdf7e0a6a5fd817cd4c241a61f39c17fc7505e0242550"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.05989",
    "kind": "arxiv",
    "version": 1
  }
}