Pith Number

pith:LUF25IDE

pith:2026:LUF25IDEJZAXOAXHYFPZUBZHVF

not attested not anchored not stored refs pending

CLEF HIPE-2026: Evaluating Accurate and Efficient Person-Place Relation Extraction from Multilingual Historical Texts

Andrianos Michail, Corina Racl\'e, Emanuela Boros, Juri Opitz, Matteo Romanello, Maud Ehrmann, Simon Clematide

arxiv:2602.17663 v2 · 2026-02-19 · cs.AI · cs.CL · cs.IR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LUF25IDEJZAXOAXHYFPZUBZHVF}

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	2026-06-25T01:17:50.777820Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d0baea0644e417702e7c15f9a0727a96160faa9a60f1f6c93b3fa46ea335f2e

Aliases

arxiv: 2602.17663 · arxiv_version: 2602.17663v2 · doi: 10.48550/arxiv.2602.17663 · pith_short_12: LUF25IDEJZAX · pith_short_16: LUF25IDEJZAXOAXH · pith_short_8: LUF25IDE

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/LUF25IDEJZAXOAXHYFPZUBZHVF \
  | 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: 5d0baea0644e417702e7c15f9a0727a96160faa9a60f1f6c93b3fa46ea335f2e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3a0571f234406b1916719e16fc7e8afd549094846cc936396bd9019de0552e6",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-02-19T18:59:44Z",
    "title_canon_sha256": "d528ab4bdfdc80b576f7122674b5e1ca4b9a3894e6fd7f146329720f33146409"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.17663",
    "kind": "arxiv",
    "version": 2
  }
}