Pith Number

pith:EKOHUFAY

pith:2018:EKOHUFAYFSD2HRCW66SPSM54HD

not attested not anchored not stored refs pending

Modular Materialisation of Datalog Programs

Boris Motik, Ian Horrocks, Pan Hu

arxiv:1811.02304 v2 · 2018-11-06 · 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{EKOHUFAYFSD2HRCW66SPSM54HD}

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	2026-05-18T00:00:42.861188Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

229c7a14182c87a3c456f7a4f933bc38cf508a580e18181deb1baffa2674e5ac

Aliases

arxiv: 1811.02304 · arxiv_version: 1811.02304v2 · doi: 10.48550/arxiv.1811.02304 · pith_short_12: EKOHUFAYFSD2 · pith_short_16: EKOHUFAYFSD2HRCW · pith_short_8: EKOHUFAY

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/EKOHUFAYFSD2HRCW66SPSM54HD \
  | 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: 229c7a14182c87a3c456f7a4f933bc38cf508a580e18181deb1baffa2674e5ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "667d627d63cbcda5017bf652cf36f12b778449a55b3e6fe9d92b6937d0670353",
    "cross_cats_sorted": [
      "cs.DB"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2018-11-06T11:51:10Z",
    "title_canon_sha256": "faac6f65e0194ee78976412af9f348a6e3acac57391c41f3a58c3d5fff0f7253"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.02304",
    "kind": "arxiv",
    "version": 2
  }
}