Pith Number

pith:TAPWSFPQ

pith:2015:TAPWSFPQO3TUGGXWX3YE4RB5JX

not attested not anchored not stored refs pending

Improving the Competency of First-Order Ontologies

German Rigau, Javier \'Alvez, Paqui Lucio

arxiv:1510.04817 v1 · 2015-10-16 · cs.AI · 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{TAPWSFPQO3TUGGXWX3YE4RB5JX}

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	2026-05-18T01:30:00.566444Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

981f6915f076e7431af6bef04e443d4de9ce6c3f8a43c2e79f6d37851f1b6ead

Aliases

arxiv: 1510.04817 · arxiv_version: 1510.04817v1 · doi: 10.48550/arxiv.1510.04817 · pith_short_12: TAPWSFPQO3TU · pith_short_16: TAPWSFPQO3TUGGXW · pith_short_8: TAPWSFPQ

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/TAPWSFPQO3TUGGXWX3YE4RB5JX \
  | 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: 981f6915f076e7431af6bef04e443d4de9ce6c3f8a43c2e79f6d37851f1b6ead

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "badd3693fae14169296382728761ffd147d381fada67e2aa353a33a897d3e375",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2015-10-16T09:01:35Z",
    "title_canon_sha256": "2694035a262067089b182ec991a345550792e648d65b63e859655d2f8aa02b44"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.04817",
    "kind": "arxiv",
    "version": 1
  }
}