Pith Number

pith:UY7JKROV

pith:2019:UY7JKROVKJBLL7KD6CZV662HTO

not attested not anchored not stored refs pending

The Distributive, Graded Lattice of EL Concept Descriptions and its Neighborhood Relation (Extended Version)

Francesco Kriegel

arxiv:1901.05919 v1 · 2019-01-17 · 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{UY7JKROVKJBLL7KD6CZV662HTO}

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	2026-05-17T23:56:05.801600Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a63e9545d55242b5fd43f0b35f7b479b88f2a7bbf1a660ec7ef38fca7cf684da

Aliases

arxiv: 1901.05919 · arxiv_version: 1901.05919v1 · doi: 10.48550/arxiv.1901.05919 · pith_short_12: UY7JKROVKJBL · pith_short_16: UY7JKROVKJBLL7KD · pith_short_8: UY7JKROV

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/UY7JKROVKJBLL7KD6CZV662HTO \
  | 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: a63e9545d55242b5fd43f0b35f7b479b88f2a7bbf1a660ec7ef38fca7cf684da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab16c3fb3dfd49dad194518dc695afc8fc618606e3e8ca03b4b86fd1414c0466",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2019-01-17T17:35:46Z",
    "title_canon_sha256": "f1a257890e2f92a86695c7981e18a4a40aaf02cd1141fb0e2c6fd448df3a6367"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.05919",
    "kind": "arxiv",
    "version": 1
  }
}