Pith Number

pith:P3UDMOUX

pith:2018:P3UDMOUX3B4XEIWZFW7HN42CUF

not attested not anchored not stored refs pending

Inseparability and Conservative Extensions of Description Logic Ontologies: A Survey

Boris Konev, Carsten Lutz, Elena Botoeva, Frank Wolter, Michael Zakharyaschev, Vladislav Ryzhikov

arxiv:1804.07805 v1 · 2018-04-20 · cs.AI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P3UDMOUX3B4XEIWZFW7HN42CUF}

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	2026-05-18T00:17:52.714807Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ee8363a97d8797222d92dbe76f342a15d8ec07fb3e497ab08f63b1a33b543e4

Aliases

arxiv: 1804.07805 · arxiv_version: 1804.07805v1 · doi: 10.48550/arxiv.1804.07805 · pith_short_12: P3UDMOUX3B4X · pith_short_16: P3UDMOUX3B4XEIWZ · pith_short_8: P3UDMOUX

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/P3UDMOUX3B4XEIWZFW7HN42CUF \
  | 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: 7ee8363a97d8797222d92dbe76f342a15d8ec07fb3e497ab08f63b1a33b543e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c21925c5b336c3410b39e3469f7dabb0b00da0f6b8a0bd5acb67c7de82773b8c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2018-04-20T19:17:46Z",
    "title_canon_sha256": "e783ad6e75a34880864d52d7ffd4b0b1ec1ee4af73397c7eb9347084056793e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.07805",
    "kind": "arxiv",
    "version": 1
  }
}