Pith Number

pith:J74N3E6F

pith:2019:J74N3E6FT5BEFV2YK5VTAZNYH2

not attested not anchored not stored refs pending

Classifying textual data: shallow, deep and ensemble methods

Cinzia Viroli, Laura Anderlucci, Lucia Guastadisegni

arxiv:1902.07068 v1 · 2019-02-18 · cs.CL · cs.IR · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J74N3E6FT5BEFV2YK5VTAZNYH2}

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	2026-05-17T23:53:39.998588Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ff8dd93c59f4242d758576b3065b83ebbbba515a05618195e2662a5aeef41e3

Aliases

arxiv: 1902.07068 · arxiv_version: 1902.07068v1 · doi: 10.48550/arxiv.1902.07068 · pith_short_12: J74N3E6FT5BE · pith_short_16: J74N3E6FT5BEFV2Y · pith_short_8: J74N3E6F

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/J74N3E6FT5BEFV2YK5VTAZNYH2 \
  | 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: 4ff8dd93c59f4242d758576b3065b83ebbbba515a05618195e2662a5aeef41e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6989c02fea79f2a200d81fff526050003cc57f17c665bea632c418a81a8b75f",
    "cross_cats_sorted": [
      "cs.IR",
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-02-18T15:47:35Z",
    "title_canon_sha256": "43dcc3ff757848f1c59cf8780f4ee57feb306298065923600a942dd6d9506b8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.07068",
    "kind": "arxiv",
    "version": 1
  }
}