Pith Number

pith:VTZ5VA6H

pith:2019:VTZ5VA6HVKIPPRJDR655VIBKVT

not attested not anchored not stored refs pending

An extended description logic system with knowledge element based on ALC

Bin Wen, Jianhou Gan, Juan L.G. Guirao, Wei Gao

arxiv:1904.07469 v1 · 2019-04-16 · 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{VTZ5VA6HVKIPPRJDR655VIBKVT}

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	2026-05-17T23:48:25.137620Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

acf3da83c7aa90f7c5238fbbdaa02aacdfc0c914fab5410bf8bfaaa6047344f9

Aliases

arxiv: 1904.07469 · arxiv_version: 1904.07469v1 · doi: 10.48550/arxiv.1904.07469 · pith_short_12: VTZ5VA6HVKIP · pith_short_16: VTZ5VA6HVKIPPRJD · pith_short_8: VTZ5VA6H

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/VTZ5VA6HVKIPPRJDR655VIBKVT \
  | 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: acf3da83c7aa90f7c5238fbbdaa02aacdfc0c914fab5410bf8bfaaa6047344f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "55126d508779f51a6592b0f01222cb7e530ee0068e3164045893c8ccadb8df80",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2019-04-16T05:24:14Z",
    "title_canon_sha256": "14c22b3d24658c4aa13c686b4ca2ff4bacccc27ba5b056bcfb97c1f0b406040d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.07469",
    "kind": "arxiv",
    "version": 1
  }
}