Pith Number

pith:2SOBSRDG

pith:2017:2SOBSRDGHOLU22KKZZB3CHR6CO

not attested not anchored not stored refs pending

Containment for Rule-Based Ontology-Mediated Queries

Andreas Pieris, Gerald Berger, Pablo Barcelo

arxiv:1703.07994 v3 · 2017-03-23 · cs.DB · 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{2SOBSRDGHOLU22KKZZB3CHR6CO}

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	2026-05-18T00:46:07.502264Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d49c1944663b974d694ace43b11e3e139044d6c986746e8e07a776474ce2b39a

Aliases

arxiv: 1703.07994 · arxiv_version: 1703.07994v3 · doi: 10.48550/arxiv.1703.07994 · pith_short_12: 2SOBSRDGHOLU · pith_short_16: 2SOBSRDGHOLU22KK · pith_short_8: 2SOBSRDG

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/2SOBSRDGHOLU22KKZZB3CHR6CO \
  | 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: d49c1944663b974d694ace43b11e3e139044d6c986746e8e07a776474ce2b39a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74c1740ab1dab5b4a50388849f65c0bcbb063f50529312e7dcba93d541447665",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2017-03-23T10:44:18Z",
    "title_canon_sha256": "96771587145931ae6f4d11248e6bc0b087d98c124a31f0d84d8229ea4722ef86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.07994",
    "kind": "arxiv",
    "version": 3
  }
}