Pith Number

pith:XX3VB6P5

pith:2019:XX3VB6P5BY2GT6C3KGNX4C23CZ

not attested not anchored not stored refs pending

A Comparison of Techniques for Sentiment Classification of Film Reviews

Milan Gritta

arxiv:1905.04727 v1 · 2019-05-12 · 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{XX3VB6P5BY2GT6C3KGNX4C23CZ}

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	2026-05-17T23:46:23.762794Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bdf750f9fd0e3469f85b519b7e0b5b164b1787ab514575f3e70c83048e8009ce

Aliases

arxiv: 1905.04727 · arxiv_version: 1905.04727v1 · doi: 10.48550/arxiv.1905.04727 · pith_short_12: XX3VB6P5BY2G · pith_short_16: XX3VB6P5BY2GT6C3 · pith_short_8: XX3VB6P5

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/XX3VB6P5BY2GT6C3KGNX4C23CZ \
  | 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: bdf750f9fd0e3469f85b519b7e0b5b164b1787ab514575f3e70c83048e8009ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41fd4e3dd51a9b87a8d461ae1b86a3e62c0b0ca3e97a577bf15f218471922168",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-05-12T14:19:28Z",
    "title_canon_sha256": "3a5f5079cd30a629b4332bddc78e6af8095a11c3613f27ac2a381bded27fbb3e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.04727",
    "kind": "arxiv",
    "version": 1
  }
}