Pith Number

pith:O5GIM6R2

pith:2016:O5GIM6R2IY3KIMHQNR4BOZ4A2T

not attested not anchored not stored refs pending

Sentiment Classification of Food Reviews

Hua Feng, Ruixi Lin

arxiv:1609.01933 v1 · 2016-09-07 · 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{O5GIM6R2IY3KIMHQNR4BOZ4A2T}

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	2026-05-18T01:05:09.641393Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

774c867a3a4636a430f06c78176780d4fe25935c36ccd4605e3691b767fc795f

Aliases

arxiv: 1609.01933 · arxiv_version: 1609.01933v1 · doi: 10.48550/arxiv.1609.01933 · pith_short_12: O5GIM6R2IY3K · pith_short_16: O5GIM6R2IY3KIMHQ · pith_short_8: O5GIM6R2

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/O5GIM6R2IY3KIMHQNR4BOZ4A2T \
  | 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: 774c867a3a4636a430f06c78176780d4fe25935c36ccd4605e3691b767fc795f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f380680823945c27fa24b35c20520958aeaa0ae405414ca006696b84acf9466",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2016-09-07T10:59:58Z",
    "title_canon_sha256": "c0de3f92643147adcd311ed1ccecd5bd1268c6948e05b9ded44aebb6bb69f748"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.01933",
    "kind": "arxiv",
    "version": 1
  }
}