Pith Number

pith:CZQMAOS7

pith:2025:CZQMAOS773LYYHRT4HNWQ6RFI6

not attested not anchored not stored refs pending

CDS: Knowledge Component-Driven Data Synthesis Guided by Cognitive Diagnosis Theory

Haokun Zhao, Jiansheng Wei, Jiaqing Liang, Jinyi Han, Xiaojun Meng, Yanghua Xiao

arxiv:2501.07674 v3 · 2025-01-13 · 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{CZQMAOS773LYYHRT4HNWQ6RFI6}

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	2026-07-05T11:24:12.589383Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1660c03a5ffed78c1e33e1db687a2547ba37eb8864550af92e1ad41eb3d285d7

Aliases

arxiv: 2501.07674 · arxiv_version: 2501.07674v3 · doi: 10.48550/arxiv.2501.07674 · pith_short_12: CZQMAOS773LY · pith_short_16: CZQMAOS773LYYHRT · pith_short_8: CZQMAOS7

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/CZQMAOS773LYYHRT4HNWQ6RFI6 \
  | 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: 1660c03a5ffed78c1e33e1db687a2547ba37eb8864550af92e1ad41eb3d285d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b8089eb6e9c1acbc0817dbd7f914e4fb614448d9eb7481a20b5db2d1d89a154",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2025-01-13T20:13:59Z",
    "title_canon_sha256": "47a5ae9e4a1b6dc57718829dccb730658359057d540c14c20e4b8454d45a004d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.07674",
    "kind": "arxiv",
    "version": 3
  }
}