Pith Number

pith:33ZLFITO

pith:2013:33ZLFITOKBRPHXYCHCU2WCMW2B

not attested not anchored not stored refs pending

Identifying Purpose Behind Electoral Tweets

Joel Martin, Saif M. Mohammad, Svetlana Kiritchenko

arxiv:1311.1194 v1 · 2013-11-05 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{33ZLFITOKBRPHXYCHCU2WCMW2B}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T03:07:55.349242Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

def2b2a26e5062f3df0238a9ab0996d04992e2435e019755e7e38eedb2b03a34

Aliases

arxiv: 1311.1194 · arxiv_version: 1311.1194v1 · doi: 10.48550/arxiv.1311.1194 · pith_short_12: 33ZLFITOKBRP · pith_short_16: 33ZLFITOKBRPHXYC · pith_short_8: 33ZLFITO

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/33ZLFITOKBRPHXYCHCU2WCMW2B \
  | 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: def2b2a26e5062f3df0238a9ab0996d04992e2435e019755e7e38eedb2b03a34

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ccc958ec7db6bf34e6429ecb356c127345b18a2a5c34be37e8b46ba92a7616f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2013-11-05T20:55:23Z",
    "title_canon_sha256": "32551c6716b7f553023d6912d13b5078213bcfa21948cf8b9c0f224ecf3dcee7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.1194",
    "kind": "arxiv",
    "version": 1
  }
}