Pith Number

pith:54M5Z6HP

pith:2017:54M5Z6HPTBOU7276MTZH3Z27IU

not attested not anchored not stored refs pending

Identifying Restaurant Features via Sentiment Analysis on Yelp Reviews

Boya Yu, Jiaxu Zhou, Yi Zhang, Yunong Cao

arxiv:1709.08698 v1 · 2017-09-20 · 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{54M5Z6HPTBOU7276MTZH3Z27IU}

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	2026-05-18T00:34:22.076375Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef19dcf8ef985d4febfe64f27de75f451fbe1fd8d369649a1cf70b32b7864ea7

Aliases

arxiv: 1709.08698 · arxiv_version: 1709.08698v1 · doi: 10.48550/arxiv.1709.08698 · pith_short_12: 54M5Z6HPTBOU · pith_short_16: 54M5Z6HPTBOU7276 · pith_short_8: 54M5Z6HP

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/54M5Z6HPTBOU7276MTZH3Z27IU \
  | 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: ef19dcf8ef985d4febfe64f27de75f451fbe1fd8d369649a1cf70b32b7864ea7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f8bf0cb35e8bb9fdebc589d944f27053bb79e176ca8def423ce30fd9cea9de7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2017-09-20T03:51:19Z",
    "title_canon_sha256": "aea139842db5de66221b28b7ab9548a9a465f6e6ae01f4d51bfd2cbca611ba17"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.08698",
    "kind": "arxiv",
    "version": 1
  }
}