Pith Number

pith:WG6AHYGT

pith:2019:WG6AHYGTPRA4AZCSBMT2MQ2URT

not attested not anchored not stored refs pending

Query Inseparability for ALC Ontologies

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

arxiv:1902.00014 v1 · 2019-01-31 · 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{WG6AHYGTPRA4AZCSBMT2MQ2URT}

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	2026-05-17T23:55:01.585237Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1bc03e0d37c41c064520b27a643548cec5ea9e44d74ce4278303a66fec7d4e0

Aliases

arxiv: 1902.00014 · arxiv_version: 1902.00014v1 · doi: 10.48550/arxiv.1902.00014 · pith_short_12: WG6AHYGTPRA4 · pith_short_16: WG6AHYGTPRA4AZCS · pith_short_8: WG6AHYGT

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/WG6AHYGTPRA4AZCSBMT2MQ2URT \
  | 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: b1bc03e0d37c41c064520b27a643548cec5ea9e44d74ce4278303a66fec7d4e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eba69bfd821c04d4bf55149c9f9794810a6eceddba8475a20fa65d40b0f7c6d0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2019-01-31T13:58:48Z",
    "title_canon_sha256": "9d3e60161e30df199ff88c2deafacea0dba41ade28f66bef687b7cb52c5a47e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.00014",
    "kind": "arxiv",
    "version": 1
  }
}