Pith Number

pith:2FVAWAV3

pith:2018:2FVAWAV3NXCKPOYDRKGHCVVMJM

not attested not anchored not stored refs pending

A Practical Acyclicity Notion for Query Answering over Horn-SRIQ Ontologies

Cristina Feier, David Carral, Pascal Hitzler

arxiv:1804.07274 v1 · 2018-04-19 · 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{2FVAWAV3NXCKPOYDRKGHCVVMJM}

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	2026-05-18T00:18:00.819966Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d16a0b02bb6dc4a7bb038a8c7156ac4b19f0e39491082f997607c4b0ee88b2e0

Aliases

arxiv: 1804.07274 · arxiv_version: 1804.07274v1 · doi: 10.48550/arxiv.1804.07274 · pith_short_12: 2FVAWAV3NXCK · pith_short_16: 2FVAWAV3NXCKPOYD · pith_short_8: 2FVAWAV3

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/2FVAWAV3NXCKPOYDRKGHCVVMJM \
  | 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: d16a0b02bb6dc4a7bb038a8c7156ac4b19f0e39491082f997607c4b0ee88b2e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e8d99b83b473c4580fc75290386f71eae39a7a8c1bf8dace191ddbbc7ae8f964",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.DB"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2018-04-19T16:57:25Z",
    "title_canon_sha256": "18b25e9710346156e03949921754d4d23e832039b0d248f44e4d917750c3d53a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.07274",
    "kind": "arxiv",
    "version": 1
  }
}