Pith Number

pith:2GUQKT5F

pith:2025:2GUQKT5FSPUUWO242RGSY42KCT

not attested not anchored not stored refs pending

Challenges in Expanding Portuguese Resources: A View from Open Information Extraction

Bruno Cabral, Daniela Claro, Lais Salvador, Marlo Souza

arxiv:2501.11851 v1 · 2025-01-21 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2GUQKT5FSPUUWO242RGSY42KCT}

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	2026-07-05T10:03:14.948992Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1a9054fa593e94b3b5cd44d2c734a14c3aead4e93d20c2c3246398692c24222

Aliases

arxiv: 2501.11851 · arxiv_version: 2501.11851v1 · doi: 10.48550/arxiv.2501.11851 · pith_short_12: 2GUQKT5FSPUU · pith_short_16: 2GUQKT5FSPUUWO24 · pith_short_8: 2GUQKT5F

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/2GUQKT5FSPUUWO242RGSY42KCT \
  | 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: d1a9054fa593e94b3b5cd44d2c734a14c3aead4e93d20c2c3246398692c24222

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad2a73dd2681bbbc3b93f0bb4c07b08fac0bdd9a03c055dddc20040d52845645",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-01-21T03:08:37Z",
    "title_canon_sha256": "6851252908ce31dd443a1ee6d7ab19b35c266bda4dcdcf2766c8edb116b02f0b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.11851",
    "kind": "arxiv",
    "version": 1
  }
}