Pith Number

pith:L4EDJ6GQ

pith:2016:L4EDJ6GQVY3LA5ETOR6IH55WJH

not attested not anchored not stored refs pending

Extending Unification in $\mathcal{EL}$ to Disunification: The Case of Dismatching and Local Disunification

Barbara Morawska (Technische Universit\"at Dresden), Franz Baader, Stefan Borgwardt

arxiv:1609.05621 v2 · 2016-09-19 · cs.LO · 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{L4EDJ6GQVY3LA5ETOR6IH55WJH}

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	2026-05-17T23:51:21.882651Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f0834f8d0ae36b07493747c83f7b649d2c12dc33b3374d4973d45fa8644761b

Aliases

arxiv: 1609.05621 · arxiv_version: 1609.05621v2 · doi: 10.48550/arxiv.1609.05621 · pith_short_12: L4EDJ6GQVY3L · pith_short_16: L4EDJ6GQVY3LA5ET · pith_short_8: L4EDJ6GQ

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/L4EDJ6GQVY3LA5ETOR6IH55WJH \
  | 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: 5f0834f8d0ae36b07493747c83f7b649d2c12dc33b3374d4973d45fa8644761b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "573976cf661ea1d661346c1844e93420bf3d25e88c7ca4f039149ad2c9cf96c7",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2016-09-19T07:45:50Z",
    "title_canon_sha256": "7db2469980ee70eab0dcae337afa834ad1341c1d12f7097b7c50b3b06555e8a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.05621",
    "kind": "arxiv",
    "version": 2
  }
}