Pith Number

pith:NRA2U37S

pith:2019:NRA2U37SUDTRXNFJ5GZXEYGG4J

not attested not anchored not stored refs pending

Let's Ask Again: Refine Network for Automatic Question Generation

Akash Kumar Mohankumar, Balaji Vasan Srinivasan, Balaraman Ravindran, Mitesh M. Khapra, Preksha Nema

arxiv:1909.05355 v1 · 2019-08-31 · 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{NRA2U37SUDTRXNFJ5GZXEYGG4J}

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	2026-07-05T00:04:12.243630Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c41aa6ff2a0e71bb4a9e9b37260c6e247daa2ff1d04ac17cefda505bc6b92f6

Aliases

arxiv: 1909.05355 · arxiv_version: 1909.05355v1 · doi: 10.48550/arxiv.1909.05355 · pith_short_12: NRA2U37SUDTR · pith_short_16: NRA2U37SUDTRXNFJ · pith_short_8: NRA2U37S

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/NRA2U37SUDTRXNFJ5GZXEYGG4J \
  | 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: 6c41aa6ff2a0e71bb4a9e9b37260c6e247daa2ff1d04ac17cefda505bc6b92f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "069a0b48dc7b42642c8a22e9b7efebedcfdf04c7dcb64d3bc66c72dd0b2d2722",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-08-31T04:03:26Z",
    "title_canon_sha256": "9bbd350293531f66156e3f54e797928c83c601e725945494a2f4724b51c2019b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.05355",
    "kind": "arxiv",
    "version": 1
  }
}