Pith Number

pith:UBIUC2SO

pith:2019:UBIUC2SO3VT3YYYGPSXOBYULGP

not attested not anchored not stored refs pending

Correlated Feature Selection for Tweet Spam Classification

Prakamya Mishra

arxiv:1911.05495 v4 · 2019-11-06 · cs.SI · 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{UBIUC2SO3VT3YYYGPSXOBYULGP}

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	2026-07-05T01:45:40.843929Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a051416a4edd67bc63067caee0e28b33ccf928e00f8a2f636d48227421c18705

Aliases

arxiv: 1911.05495 · arxiv_version: 1911.05495v4 · doi: 10.48550/arxiv.1911.05495 · pith_short_12: UBIUC2SO3VT3 · pith_short_16: UBIUC2SO3VT3YYYG · pith_short_8: UBIUC2SO

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/UBIUC2SO3VT3YYYGPSXOBYULGP \
  | 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: a051416a4edd67bc63067caee0e28b33ccf928e00f8a2f636d48227421c18705

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b681673eba0140d383c428fd33ae1a750c9a35e8d2e3c08ebe34ddc0e7bf55df",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2019-11-06T15:16:35Z",
    "title_canon_sha256": "1348c941f13433e8f3d70137ba4fb672d6c50b391b6c8419b83d6d234fd3dfb6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.05495",
    "kind": "arxiv",
    "version": 4
  }
}