Pith Number

pith:X3HVO4OM

pith:2011:X3HVO4OMOXSDKVQ46QSCCHGUKU

not attested not anchored not stored refs pending

Finding Deceptive Opinion Spam by Any Stretch of the Imagination

Claire Cardie, Jeffrey T. Hancock, Myle Ott, Yejin Choi

arxiv:1107.4557 v1 · 2011-07-22 · cs.CL · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X3HVO4OMOXSDKVQ46QSCCHGUKU}

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.

Cited by

3 papers in Pith

Detecting LLM-Assisted Academic Dishonesty using Keystroke Dynamics

Why is "Chicago" Predictive of Deceptive Reviews? Using LLMs to Discover Language Phenomena from Lexical Cues

Beyond Explainable AI (XAI): An Overdue Paradigm Shift and Post-XAI Research Directions

Receipt and verification

First computed	2026-05-18T04:17:03.798477Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

becf5771cc75e435561cf424211cd45503f5eff9655d5da797b0764f906ff4e1

Aliases

arxiv: 1107.4557 · arxiv_version: 1107.4557v1 · doi: 10.48550/arxiv.1107.4557 · pith_short_12: X3HVO4OMOXSD · pith_short_16: X3HVO4OMOXSDKVQ4 · pith_short_8: X3HVO4OM

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/X3HVO4OMOXSDKVQ46QSCCHGUKU \
  | 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: becf5771cc75e435561cf424211cd45503f5eff9655d5da797b0764f906ff4e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e51273b6296d906eb26b8efbe7d2eab6f5b49e1d41aca813ecae50056c9f393",
    "cross_cats_sorted": [
      "cs.CY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2011-07-22T16:02:06Z",
    "title_canon_sha256": "ca2bcd0c6b86b114008e1e616a8f156fe16ca2a2f9ba3fee2fd151448db66c3c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.4557",
    "kind": "arxiv",
    "version": 1
  }
}