Pith Number

pith:VZDFC2CN

pith:2021:VZDFC2CNCZP4KX2AW2FWFYN3K6

not attested not anchored not stored refs pending

Guiding the Growth: Difficulty-Controllable Question Generation through Step-by-Step Rewriting

Bang Liu, Chenghua Lin, Ruihui Zhao, Siyao Li, Sujian Li, Yefeng Zheng, Yi Cheng

arxiv:2105.11698 v1 · 2021-05-25 · 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{VZDFC2CNCZP4KX2AW2FWFYN3K6}

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.

Cited by

1 paper in Pith

AutoJudger: An Agent-Driven Framework for Efficient Benchmarking of MLLMs

Receipt and verification

First computed	2026-07-05T02:42:55.614533Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae4651684d165fc55f40b68b62e1bb57b0e85ae12ea1373ddb421def91d82241

Aliases

arxiv: 2105.11698 · arxiv_version: 2105.11698v1 · doi: 10.48550/arxiv.2105.11698 · pith_short_12: VZDFC2CNCZP4 · pith_short_16: VZDFC2CNCZP4KX2A · pith_short_8: VZDFC2CN

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/VZDFC2CNCZP4KX2AW2FWFYN3K6 \
  | 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: ae4651684d165fc55f40b68b62e1bb57b0e85ae12ea1373ddb421def91d82241

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb2bba5cbb83b4aa3f9cf53360970a4a40e33cd237852d03a243b18d958804ba",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-05-25T06:43:13Z",
    "title_canon_sha256": "22b9cca2b8a697556aa3519ba6eec1d211a5c2bd71f194935655764b835c51d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.11698",
    "kind": "arxiv",
    "version": 1
  }
}