Pith Number

pith:YWS35UJN

pith:2025:YWS35UJNFQ4J2HMB7R5MT5WURW

not attested not anchored not stored refs pending

LinkQA: Synthesizing Diverse QA from Multiple Seeds Strongly Linked by Knowledge Points

Can Ren, Chengying Tu, Hongfei Yan, Jingang Wang, Rongxiang Weng, Xuemiao Zhang, Xunliang Cai

arxiv:2508.01317 v2 · 2025-08-02 · 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{YWS35UJNFQ4J2HMB7R5MT5WURW}

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	2026-07-05T11:49:12.413834Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5a5bed12d2c389d1d81fc7ac9f6d48d9b34cd959d66ec04f27ed28d445af9e1

Aliases

arxiv: 2508.01317 · arxiv_version: 2508.01317v2 · doi: 10.48550/arxiv.2508.01317 · pith_short_12: YWS35UJNFQ4J · pith_short_16: YWS35UJNFQ4J2HMB · pith_short_8: YWS35UJN

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/YWS35UJNFQ4J2HMB7R5MT5WURW \
  | 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: c5a5bed12d2c389d1d81fc7ac9f6d48d9b34cd959d66ec04f27ed28d445af9e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f57634c607d6e9003661a698c78883088a9986da8039b8496ab1c18dc027a194",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-08-02T11:09:06Z",
    "title_canon_sha256": "d4ee738da231ca5f6301ad16b199c87d10db404f939d7c5efa57bfb394eee93f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.01317",
    "kind": "arxiv",
    "version": 2
  }
}