Pith Number

pith:23XLDEHA

pith:2018:23XLDEHABJVR4VQR6XJOI6BYKU

not attested not anchored not stored refs pending

aNMM: Ranking Short Answer Texts with Attention-Based Neural Matching Model

Jiafeng Guo, Liu Yang, Qingyao Ai, W. Bruce Croft

arxiv:1801.01641 v2 · 2018-01-05 · cs.IR · 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{23XLDEHABJVR4VQR6XJOI6BYKU}

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	2026-05-17T23:44:32.790210Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6eeb190e00a6b1e5611f5d2e478385518da55521f87c3d13eb3411a05f128c5

Aliases

arxiv: 1801.01641 · arxiv_version: 1801.01641v2 · doi: 10.48550/arxiv.1801.01641 · pith_short_12: 23XLDEHABJVR · pith_short_16: 23XLDEHABJVR4VQR · pith_short_8: 23XLDEHA

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/23XLDEHABJVR4VQR6XJOI6BYKU \
  | 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: d6eeb190e00a6b1e5611f5d2e478385518da55521f87c3d13eb3411a05f128c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8aa5648c7afd1d33a47423ac196b049c96e3fa82cc125699f6e6c2d5a58953ab",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2018-01-05T06:06:17Z",
    "title_canon_sha256": "1e40bf95cd3298797028e138ecc2b1c4fb30a12a906acaad8c214657b0216ab9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.01641",
    "kind": "arxiv",
    "version": 2
  }
}