Pith Number

pith:UF5QYYQD

pith:2020:UF5QYYQDP3TX5WCDFNF6MVMFUY

not attested not anchored not stored refs pending

Question Rewriting for Conversational Question Answering

Raviteja Anantha, Shayne Longpre, Svitlana Vakulenko, Zhucheng Tu

arxiv:2004.14652 v3 · 2020-04-30 · cs.IR · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UF5QYYQDP3TX5WCDFNF6MVMFUY}

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	2026-07-05T01:45:26.771624Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a17b0c62037ee77ed8432b4be65585a6247d70ed8a1022c0d3320dfc46fc7d2e

Aliases

arxiv: 2004.14652 · arxiv_version: 2004.14652v3 · doi: 10.48550/arxiv.2004.14652 · pith_short_12: UF5QYYQDP3TX · pith_short_16: UF5QYYQDP3TX5WCD · pith_short_8: UF5QYYQD

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/UF5QYYQDP3TX5WCDFNF6MVMFUY \
  | 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: a17b0c62037ee77ed8432b4be65585a6247d70ed8a1022c0d3320dfc46fc7d2e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d294ea2ae3a32a44ab86c2867216cca45897f16b49acdfa4debd0215f0407e64",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2020-04-30T09:27:43Z",
    "title_canon_sha256": "2cab99aba5fdbae7470ca22cff60c9dc1c9a4f45859eb4c8d8fc5142c0de27c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.14652",
    "kind": "arxiv",
    "version": 3
  }
}