Pith Number

pith:VEBT25QQ

pith:2019:VEBT25QQPJSGVCW765TNBQVABN

not attested not anchored not stored refs pending

Advances in Natural Language Question Answering: A Review

A.K.R.R.Aneeze, A. Nugaliyadde, H.J.D.A. Karunaratne, K.S.D. Ishwari, S.Sudheesan, Y. Mallawarrachchi

arxiv:1904.05276 v1 · 2019-04-10 · cs.CL · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VEBT25QQPJSGVCW765TNBQVABN}

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	2026-05-17T23:44:28.761552Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9033d76107a646a8adff766d0c2a00b4a9bd659921667143a15f279ec8faf53

Aliases

arxiv: 1904.05276 · arxiv_version: 1904.05276v1 · doi: 10.48550/arxiv.1904.05276 · pith_short_12: VEBT25QQPJSG · pith_short_16: VEBT25QQPJSGVCW7 · pith_short_8: VEBT25QQ

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/VEBT25QQPJSGVCW765TNBQVABN \
  | 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: a9033d76107a646a8adff766d0c2a00b4a9bd659921667143a15f279ec8faf53

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b19e31a601dba8f7e36df0fa5c0a8bbca031ef4cd84b92e966d23557420b24bc",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-04-10T16:26:51Z",
    "title_canon_sha256": "c595abb8b429df92f50a8395b933b913ff587c3010c9fdca18458d9ac05e2282"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.05276",
    "kind": "arxiv",
    "version": 1
  }
}