Pith Number

pith:K7VPKUQ6

pith:2025:K7VPKUQ66PFFVBZUBNKL6R6BIA

not attested not anchored not stored refs pending

Polarity Detection of Sustainable Development Goals in News Text

Alessandro Chessa, Andrea Cadeddu, Angelo Salatino, Diego Reforgiato Recupero, Francesco Osborne, Gianni Fenu, Luca Secchi, Vincenzo De Leo

arxiv:2509.19833 v4 · 2025-09-24 · cs.CL · cs.AI · cs.DL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K7VPKUQ66PFFVBZUBNKL6R6BIA}

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	2026-07-07T02:17:10.426781Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57eaf5521ef3ca5a87340b54bf47c1403a7cd5e9b177bd491f97715c7c9c4514

Aliases

arxiv: 2509.19833 · arxiv_version: 2509.19833v4 · doi: 10.48550/arxiv.2509.19833 · pith_short_12: K7VPKUQ66PFF · pith_short_16: K7VPKUQ66PFFVBZU · pith_short_8: K7VPKUQ6

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/K7VPKUQ66PFFVBZUBNKL6R6BIA \
  | 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: 57eaf5521ef3ca5a87340b54bf47c1403a7cd5e9b177bd491f97715c7c9c4514

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32a882f19acd6ed570682c7ac82cf30a2ef3ad50362f8eff9dff4ca66d71de8a",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.DL"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-09-24T07:23:44Z",
    "title_canon_sha256": "1537c2ac80e71b2b5dd1e6277610b5ee84ed272190f94466b18036d8fb224562"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.19833",
    "kind": "arxiv",
    "version": 4
  }
}