Pith Number

pith:BOLPDX3K

pith:2019:BOLPDX3KZXTIPPWR777XYVUBXT

not attested not anchored not stored refs pending

A Hybrid Retrieval-Generation Neural Conversation Model

Chen Qu, Jianfeng Gao, Jingjing Liu, Junjie Hu, Liu Yang, Minghui Qiu, W. Bruce Croft, XiaoDong Liu, Yelong Shen

arxiv:1904.09068 v2 · 2019-04-19 · 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{BOLPDX3KZXTIPPWR777XYVUBXT}

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	2026-07-04T23:59:31.885479Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b96f1df6acde687bed1ffff7c5681bcd929df1327292077129ac9ed444389c1

Aliases

arxiv: 1904.09068 · arxiv_version: 1904.09068v2 · doi: 10.48550/arxiv.1904.09068 · pith_short_12: BOLPDX3KZXTI · pith_short_16: BOLPDX3KZXTIPPWR · pith_short_8: BOLPDX3K

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/BOLPDX3KZXTIPPWR777XYVUBXT \
  | 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: 0b96f1df6acde687bed1ffff7c5681bcd929df1327292077129ac9ed444389c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4197ecc64f2aba0ca3120b21b1c2bb3a01d02c94c71f14a9c3f1ed5089cec2b",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2019-04-19T04:10:03Z",
    "title_canon_sha256": "ec5c143b324709cfed8dea5df7bef5b9d9231387275bf1785587ff7d40b797eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.09068",
    "kind": "arxiv",
    "version": 2
  }
}