Pith Number

pith:I7RX7RU4

pith:2014:I7RX7RU45FTGF5KJTLKX2NY6CX

not attested not anchored not stored refs pending

Reasoning about Explanations for Negative Query Answers in DL-Lite

Diego Calvanese, Giorgio Stefanoni, Magdalena Ortiz, Mantas Simkus

arxiv:1402.0575 v1 · 2014-02-04 · cs.AI · 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{I7RX7RU45FTGF5KJTLKX2NY6CX}

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	2026-05-18T03:00:13.798929Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47e37fc69ce96662f5499ad57d371e15fcad19884b754e466b901fc06c4b4a98

Aliases

arxiv: 1402.0575 · arxiv_version: 1402.0575v1 · doi: 10.48550/arxiv.1402.0575 · pith_short_12: I7RX7RU45FTG · pith_short_16: I7RX7RU45FTGF5KJ · pith_short_8: I7RX7RU4

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/I7RX7RU45FTGF5KJTLKX2NY6CX \
  | 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: 47e37fc69ce96662f5499ad57d371e15fcad19884b754e466b901fc06c4b4a98

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85d5cc1de644769efea760ee4a4b2bd536dad7b1dd83f0716739477edb24b64d",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2014-02-04T01:39:28Z",
    "title_canon_sha256": "64dbb89b59d76d101e79c31c55dc80506d43d2ff351e97719b11bd075a01190e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.0575",
    "kind": "arxiv",
    "version": 1
  }
}