Pith Number

pith:MRIWDNL2

pith:2013:MRIWDNL2WKXUPI5TWNXQIR5BD5

not attested not anchored not stored refs pending

Formal Ontology Learning on Factual IS-A Corpus in English using Description Logics

Ankur Padia, Kushal Shah, Prasenjit Majumder, Sourish Dasgupta

arxiv:1312.6947 v2 · 2013-12-25 · cs.CL · 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{MRIWDNL2WKXUPI5TWNXQIR5BD5}

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	2026-05-18T01:19:31.012266Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

645161b57ab2af47a3b3b36f0447a11f48f5e4945a1bd72fe31e9644d749dad4

Aliases

arxiv: 1312.6947 · arxiv_version: 1312.6947v2 · doi: 10.48550/arxiv.1312.6947 · pith_short_12: MRIWDNL2WKXU · pith_short_16: MRIWDNL2WKXUPI5T · pith_short_8: MRIWDNL2

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/MRIWDNL2WKXUPI5TWNXQIR5BD5 \
  | 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: 645161b57ab2af47a3b3b36f0447a11f48f5e4945a1bd72fe31e9644d749dad4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2669f726d6142fe076a23e1414fda6109c55c20c57e0e955a8ce2a36a679e3f6",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2013-12-25T09:17:28Z",
    "title_canon_sha256": "40a47938a3d487ad4c2eea5b495a1f8595aaa3dae709fcf7e00e07c9ab3f3281"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.6947",
    "kind": "arxiv",
    "version": 2
  }
}