Pith Number

pith:2XNMYYFG

pith:2018:2XNMYYFGDLWQFBLULBA3EJLPMW

not attested not anchored not stored refs pending

Learning Matching Models with Weak Supervision for Response Selection in Retrieval-based Chatbots

Ming Zhou, Wei Wu, Yu Wu, Zhoujun Li

arxiv:1805.02333 v2 · 2018-05-07 · 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{2XNMYYFGDLWQFBLULBA3EJLPMW}

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	2026-05-18T00:16:19.087130Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5dacc60a61aed0285745841b2256f65a7d54ebe045601e5eaa4b9a15aadb16b

Aliases

arxiv: 1805.02333 · arxiv_version: 1805.02333v2 · doi: 10.48550/arxiv.1805.02333 · pith_short_12: 2XNMYYFGDLWQ · pith_short_16: 2XNMYYFGDLWQFBLU · pith_short_8: 2XNMYYFG

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/2XNMYYFGDLWQFBLULBA3EJLPMW \
  | 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: d5dacc60a61aed0285745841b2256f65a7d54ebe045601e5eaa4b9a15aadb16b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31bdac2eb23d93942120c1a8f451c184789ccd76023d18a57542ceb61aedee4e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-05-07T03:31:00Z",
    "title_canon_sha256": "ea540f6fb232b7d3b8362daf3a90028cb15eabb1027d906bb6aab63d9dcb2949"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.02333",
    "kind": "arxiv",
    "version": 2
  }
}