Pith Number

pith:L35NVOSE

pith:2016:L35NVOSEEYZYFQEVJJLNKYFTNH

not attested not anchored not stored refs pending

Twitter Opinion Topic Model: Extracting Product Opinions from Tweets by Leveraging Hashtags and Sentiment Lexicon

Kar Wai Lim, Wray Buntine

arxiv:1609.06578 v1 · 2016-09-21 · cs.CL · cs.IR · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L35NVOSEEYZYFQEVJJLNKYFTNH}

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	2026-05-18T01:04:07.853863Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5efadaba44263382c0954a56d560b369f72cbe3b15fd417037b7c53f906523d0

Aliases

arxiv: 1609.06578 · arxiv_version: 1609.06578v1 · doi: 10.48550/arxiv.1609.06578 · pith_short_12: L35NVOSEEYZY · pith_short_16: L35NVOSEEYZYFQEV · pith_short_8: L35NVOSE

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/L35NVOSEEYZYFQEVJJLNKYFTNH \
  | 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: 5efadaba44263382c0954a56d560b369f72cbe3b15fd417037b7c53f906523d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d5a74de014e79316074404deb541a0ecfa7f0b1072c3ae938f88a73d38ffae49",
    "cross_cats_sorted": [
      "cs.IR",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2016-09-21T14:25:23Z",
    "title_canon_sha256": "e3d49738d3bcd060e5be7b5e7c391b1aaef05b8af23a83df1713710ede4deebd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.06578",
    "kind": "arxiv",
    "version": 1
  }
}