Pith Number

pith:VXXG3M6W

pith:2019:VXXG3M6WUXGCDQRG4HZHWD6P4I

not attested not anchored not stored refs pending

Gradual Machine Learning for Aspect-level Sentiment Analysis

Boyi Hou, Jiquan Shen, Murtadha Ahmed, Qun Chen, Yanyan Wang, Zhanhuai Li

arxiv:1906.02502 v2 · 2019-06-06 · cs.LG · 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{VXXG3M6WUXGCDQRG4HZHWD6P4I}

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	2026-05-17T23:41:52.880623Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

adee6db3d6a5cc21c226e1f27b0fcfe23008ced3d612c0b6e5318018aa48132e

Aliases

arxiv: 1906.02502 · arxiv_version: 1906.02502v2 · doi: 10.48550/arxiv.1906.02502 · pith_short_12: VXXG3M6WUXGC · pith_short_16: VXXG3M6WUXGCDQRG · pith_short_8: VXXG3M6W

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/VXXG3M6WUXGCDQRG4HZHWD6P4I \
  | 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: adee6db3d6a5cc21c226e1f27b0fcfe23008ced3d612c0b6e5318018aa48132e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "363c197e421be64f2fdb643e15e3197107324899552bf33c29520c6aff2beee1",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-06-06T10:15:31Z",
    "title_canon_sha256": "494d6acb359597170632d30f9437bac10479768f477aa44e7e87a01a6e8d9145"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.02502",
    "kind": "arxiv",
    "version": 2
  }
}