Pith Number

pith:OQVLCAPD

pith:2019:OQVLCAPD7P46S6K75EFOXWKV2O

not attested not anchored not stored refs pending

A Document-grounded Matching Network for Response Selection in Retrieval-based Chatbots

Can Xu, Chongyang Tao, Dongyan Zhao, Rui Yan, Wei Wu, Xueliang Zhao

arxiv:1906.04362 v1 · 2019-06-11 · 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{OQVLCAPD7P46S6K75EFOXWKV2O}

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	2026-05-17T23:43:39.562199Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

742ab101e3fbf9e9795fe90aebd955d3b1ff9d8922af49832393edee608449d5

Aliases

arxiv: 1906.04362 · arxiv_version: 1906.04362v1 · doi: 10.48550/arxiv.1906.04362 · pith_short_12: OQVLCAPD7P46 · pith_short_16: OQVLCAPD7P46S6K7 · pith_short_8: OQVLCAPD

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/OQVLCAPD7P46S6K75EFOXWKV2O \
  | 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: 742ab101e3fbf9e9795fe90aebd955d3b1ff9d8922af49832393edee608449d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "adade17bceae848b55c6f547aa16b5b86a65a7d6a355250f04ed2d9c9fa89a30",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-06-11T03:00:34Z",
    "title_canon_sha256": "b3c261de5a99a688c2da84e0851aed992d1cd6b74a45cd8341256934906fd7fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.04362",
    "kind": "arxiv",
    "version": 1
  }
}