Pith Number

pith:4RQOR7LV

pith:2015:4RQOR7LVORRGPO5I7HD4TOE4O4

not attested not anchored not stored refs pending

Effective LSTMs for Target-Dependent Sentiment Classification

Bing Qin, Duyu Tang, Ting Liu, Xiaocheng Feng

arxiv:1512.01100 v2 · 2015-12-03 · 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{4RQOR7LVORRGPO5I7HD4TOE4O4}

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	2026-05-18T01:03:40.846720Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e460e8fd75746267bba8f9c7c9b89c7724849bf10810a402de6c1a05eefd3f34

Aliases

arxiv: 1512.01100 · arxiv_version: 1512.01100v2 · doi: 10.48550/arxiv.1512.01100 · pith_short_12: 4RQOR7LVORRG · pith_short_16: 4RQOR7LVORRGPO5I · pith_short_8: 4RQOR7LV

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/4RQOR7LVORRGPO5I7HD4TOE4O4 \
  | 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: e460e8fd75746267bba8f9c7c9b89c7724849bf10810a402de6c1a05eefd3f34

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c9370970279609a6a44e3fb1cdb58c15d408c811d53b1b76b0c0fc10d259203",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2015-12-03T14:54:39Z",
    "title_canon_sha256": "11065939d749e9beb899f5a302e661ad2d018a8f1b2dc2099e084e451c3ab69d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.01100",
    "kind": "arxiv",
    "version": 2
  }
}