Pith Number

pith:42EE57LC

pith:2018:42EE57LCESXQPNYRFGO7RUDYYV

not attested not anchored not stored refs pending

Response Ranking with Deep Matching Networks and External Knowledge in Information-seeking Conversation Systems

Chen Qu, Haiqing Chen, Jiafeng Guo, Jun Huang, Liu Yang, Minghui Qiu, W. Bruce Croft, Yongfeng Zhang

arxiv:1805.00188 v3 · 2018-05-01 · 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{42EE57LCESXQPNYRFGO7RUDYYV}

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	2026-05-18T00:16:20.901996Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6884efd6224af07b711299df8d078c54914b692027c0df0064391043856155b

Aliases

arxiv: 1805.00188 · arxiv_version: 1805.00188v3 · doi: 10.48550/arxiv.1805.00188 · pith_short_12: 42EE57LCESXQ · pith_short_16: 42EE57LCESXQPNYR · pith_short_8: 42EE57LC

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/42EE57LCESXQPNYRFGO7RUDYYV \
  | 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: e6884efd6224af07b711299df8d078c54914b692027c0df0064391043856155b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "203e22df474c36e997e0cea86c2b2c1e03d7947b6ddc9de86cd3297648c5f8ca",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2018-05-01T05:05:05Z",
    "title_canon_sha256": "1bd0ffb4cc6f378c535b22b817cffabc81a682c3ef037335c751710f1e1889c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.00188",
    "kind": "arxiv",
    "version": 3
  }
}