Pith Number

pith:37USK235

pith:2018:37USK235MUZQ5QF35LU7MP5E53

not attested not anchored not stored refs pending

Classifying movie genres by analyzing text reviews

Adam Nyberg

arxiv:1802.05322 v1 · 2018-02-14 · 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{37USK235MUZQ5QF35LU7MP5E53}

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	2026-05-18T00:23:15.985027Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dfe9256b7d65330ec0bbeae9f63fa4eedde1484d0c7311fbfd132526087962de

Aliases

arxiv: 1802.05322 · arxiv_version: 1802.05322v1 · doi: 10.48550/arxiv.1802.05322 · pith_short_12: 37USK235MUZQ · pith_short_16: 37USK235MUZQ5QF3 · pith_short_8: 37USK235

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/37USK235MUZQ5QF35LU7MP5E53 \
  | 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: dfe9256b7d65330ec0bbeae9f63fa4eedde1484d0c7311fbfd132526087962de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a96889e63a8a3cd3e2bf07214e1d8fb0bbee11cdf8b9f40fc703cfd3f5154b2f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-02-14T21:04:15Z",
    "title_canon_sha256": "96321d20fb5b5e8703ac16b7e34803ee9ed0347abbda9f57219adc5373f28955"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.05322",
    "kind": "arxiv",
    "version": 1
  }
}