Pith Number

pith:FEFKN3FQ

pith:2019:FEFKN3FQXBFP5WTR7W6AYLPKK6

not attested not anchored not stored refs pending

Large-Scale Joint Topic, Sentiment & User Preference Analysis for Online Reviews

Erjia Yan, Wei-Shih Yang, Xiaohua Hu, Xinli Yu, Zheng Chen

arxiv:1901.04993 v1 · 2019-01-14 · cs.IR · cs.LG · stat.AP · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FEFKN3FQXBFP5WTR7W6AYLPKK6}

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	2026-05-17T23:56:12.266627Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

290aa6ecb0b84afeda71fdbc0c2dea57ac0ef0e26222184918a66656a11d38d6

Aliases

arxiv: 1901.04993 · arxiv_version: 1901.04993v1 · doi: 10.48550/arxiv.1901.04993 · pith_short_12: FEFKN3FQXBFP · pith_short_16: FEFKN3FQXBFP5WTR · pith_short_8: FEFKN3FQ

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/FEFKN3FQXBFP5WTR7W6AYLPKK6 \
  | 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: 290aa6ecb0b84afeda71fdbc0c2dea57ac0ef0e26222184918a66656a11d38d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7187a9276d53b253f04733cda60136b99b7e3341372656859595b1b97dc69e50",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.AP",
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2019-01-14T20:33:20Z",
    "title_canon_sha256": "2d4c6a472b6c2c0ef4461eaa23492502bd1eb43c1abb312934a2f6c5f12ccf72"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.04993",
    "kind": "arxiv",
    "version": 1
  }
}