Pith Number

pith:DEXTI4MS

pith:2015:DEXTI4MS2S22NORPG4Q43HRTIB

not attested not anchored not stored refs pending

LSTM-based Deep Learning Models for Non-factoid Answer Selection

Bing Xiang, Bowen Zhou, Cicero dos Santos, Ming Tan

arxiv:1511.04108 v4 · 2015-11-12 · cs.CL · 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{DEXTI4MS2S22NORPG4Q43HRTIB}

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	2026-05-18T01:18:14.117390Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

192f347192d4b5a6ba2f3721cd9e334075ba5229d37a48a0f21c4989f6c62414

Aliases

arxiv: 1511.04108 · arxiv_version: 1511.04108v4 · doi: 10.48550/arxiv.1511.04108 · pith_short_12: DEXTI4MS2S22 · pith_short_16: DEXTI4MS2S22NORP · pith_short_8: DEXTI4MS

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/DEXTI4MS2S22NORPG4Q43HRTIB \
  | 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: 192f347192d4b5a6ba2f3721cd9e334075ba5229d37a48a0f21c4989f6c62414

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf0cb590adc91f349e9482cbb8fc74dddb5b1c5476424bc33b4bc514bf9ef231",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2015-11-12T22:01:54Z",
    "title_canon_sha256": "4620020412b3aa0892ba88bc308e54a1319bc5dfddf2f3f574f04e7b3d2ab0a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.04108",
    "kind": "arxiv",
    "version": 4
  }
}