Pith Number

pith:P7HXZMS4

pith:2023:P7HXZMS4KT3ATEVCRJUTTMAPJW

not attested not anchored not stored refs pending

A Corpus for Sentence-level Subjectivity Detection on English News Articles

Alberto Barr\'on-Cede\~no, Alessandra Bardi, Alice Fedotova, Andrea Galassi, Arianna Muti, Federico Ruggeri, Francesco Antici, Katerina Korre

arxiv:2305.18034 v3 · 2023-05-29 · 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{P7HXZMS4KT3ATEVCRJUTTMAPJW}

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	2026-07-05T08:22:31.657889Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7fcf7cb25c54f60992a28a6939b00f4d8f32a91c3fef832f698340b802f15161

Aliases

arxiv: 2305.18034 · arxiv_version: 2305.18034v3 · doi: 10.48550/arxiv.2305.18034 · pith_short_12: P7HXZMS4KT3A · pith_short_16: P7HXZMS4KT3ATEVC · pith_short_8: P7HXZMS4

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/P7HXZMS4KT3ATEVCRJUTTMAPJW \
  | 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: 7fcf7cb25c54f60992a28a6939b00f4d8f32a91c3fef832f698340b802f15161

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e47ad704f8f1f00b9e6ca473b57f049c8651d06ae847d824426489a6d57f0a0",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2023-05-29T11:54:50Z",
    "title_canon_sha256": "abea2104e956f2a82087b14fc5ff0747856408ac1863fb57964279fcf013087e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2305.18034",
    "kind": "arxiv",
    "version": 3
  }
}