Pith Number

pith:BZA47KZA

pith:2019:BZA47KZA2EBKRZ63OFHVLVQVQ4

not attested not anchored not stored refs pending

Review Conversational Reading Comprehension

Bing Liu, Hu Xu, Lei Shu, Philip S. Yu

arxiv:1902.00821 v2 · 2019-02-03 · 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{BZA47KZA2EBKRZ63OFHVLVQVQ4}

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.

Cited by

1 paper in Pith

Unstructured Text Enhanced Open-domain Dialogue System: A Systematic Survey

Receipt and verification

First computed	2026-07-05T00:17:25.542344Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e41cfab20d102a8e7db714f55d61587374dc3b62f5bfc3b7a2bde462c60f7b0

Aliases

arxiv: 1902.00821 · arxiv_version: 1902.00821v2 · doi: 10.48550/arxiv.1902.00821 · pith_short_12: BZA47KZA2EBK · pith_short_16: BZA47KZA2EBKRZ63 · pith_short_8: BZA47KZA

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/BZA47KZA2EBKRZ63OFHVLVQVQ4 \
  | 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: 0e41cfab20d102a8e7db714f55d61587374dc3b62f5bfc3b7a2bde462c60f7b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "319ba683b2a58a0182f98f6f3249f04bc6823e5f14b94d5176d583a9ffac125e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-02-03T00:32:46Z",
    "title_canon_sha256": "ef0c7fa5591d10544a084b1e76cb4a14d0c1eb598a9fb546418e63f9f79fec86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.00821",
    "kind": "arxiv",
    "version": 2
  }
}