Pith Number

pith:PGW2NRKD

pith:2026:PGW2NRKDAHP5GFJ5VYI2MRBJR5

not attested not anchored not stored refs pending

OntoExtend: A Framework for Requirement-driven and Scalable Ontology Extension with LLMs

Aldo Gangemi, Andrea Giovanni Nuzzolese, Anna Sofia Lippolis, Eva Blomqvist, Mohammad Javad Saeedizade, Robin Keskis\"arkk\"a, Simon Blattner, Stefan Schmid

arxiv:2607.17963 v1 · 2026-07-20 · 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{PGW2NRKDAHP5GFJ5VYI2MRBJR5}

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	2026-07-21T02:22:08.766243Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79ada6c54301dfd3153dae11a644298f7db8a1315be59cc7b83f135bf41598c2

Aliases

arxiv: 2607.17963 · arxiv_version: 2607.17963v1 · doi: 10.48550/arxiv.2607.17963 · pith_short_12: PGW2NRKDAHP5 · pith_short_16: PGW2NRKDAHP5GFJ5 · pith_short_8: PGW2NRKD

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/PGW2NRKDAHP5GFJ5VYI2MRBJR5 \
  | 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: 79ada6c54301dfd3153dae11a644298f7db8a1315be59cc7b83f135bf41598c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04999b0ef1b47e7f6ae743988247604f8515fdcb688310b272c183fba5d9f1b0",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-07-20T14:04:01Z",
    "title_canon_sha256": "6c918e14ee5fda8c7363fc89986f4c06450d3d5608b40834d224bd58192d9a6b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.17963",
    "kind": "arxiv",
    "version": 1
  }
}