Pith Number

pith:KLN64YFH

pith:2020:KLN64YFHSWPZM4GW4PZLILKEGU

not attested not anchored not stored refs pending

Knowledge-enriched, Type-constrained and Grammar-guided Question Generation over Knowledge Bases

Guilin Qi, Sheng Bi, Xiya Cheng, Yongzhen Wang, Yuan-Fang Li

arxiv:2010.03157 v3 · 2020-10-07 · cs.CL · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KLN64YFHSWPZM4GW4PZLILKEGU}

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	2026-07-05T01:45:30.531526Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

52dbee60a7959f9670d6e3f2b42d443533b3e1d545267f48464bd5f2363c17af

Aliases

arxiv: 2010.03157 · arxiv_version: 2010.03157v3 · doi: 10.48550/arxiv.2010.03157 · pith_short_12: KLN64YFHSWPZ · pith_short_16: KLN64YFHSWPZM4GW · pith_short_8: KLN64YFH

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/KLN64YFHSWPZM4GW4PZLILKEGU \
  | 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: 52dbee60a7959f9670d6e3f2b42d443533b3e1d545267f48464bd5f2363c17af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2bdb5b8b64f5f4f0355d9fcf82e4bf890cefc4971907c153f172d0fb0954a38",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2020-10-07T04:49:48Z",
    "title_canon_sha256": "bafd64eaa7148b7343a323c10a122a9be6b4af75043708c57f383fe8a1d96118"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.03157",
    "kind": "arxiv",
    "version": 3
  }
}