Pith Number

pith:726QQO6W

pith:2025:726QQO6WNBA4CWTGWKA6YVLGX6

not attested not anchored not stored refs pending

LLM-driven Effective Knowledge Tracing by Integrating Dual-channel Difficulty

Aimin Yang, Dong Zhou, Jiahui Cen, Jianghao Lin, Jin Chen, Weixuan Zhong, Yongmei Zhou

arxiv:2502.19915 v2 · 2025-02-27 · 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{726QQO6WNBA4CWTGWKA6YVLGX6}

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	2026-07-05T10:56:15.981232Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

febd083bd66841c15a66b281ec5566bf9d0de8a1fce1e174eb63ad021c651e44

Aliases

arxiv: 2502.19915 · arxiv_version: 2502.19915v2 · doi: 10.48550/arxiv.2502.19915 · pith_short_12: 726QQO6WNBA4 · pith_short_16: 726QQO6WNBA4CWTG · pith_short_8: 726QQO6W

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/726QQO6WNBA4CWTGWKA6YVLGX6 \
  | 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: febd083bd66841c15a66b281ec5566bf9d0de8a1fce1e174eb63ad021c651e44

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49f7b4a3348ac0ed662e2ec09d051d1e70cf88523fdb98cfcf3e300797008286",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2025-02-27T09:36:27Z",
    "title_canon_sha256": "647ca21030beffb77ee9493553e241aa491a058b122f3514f3791c444a3ab190"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.19915",
    "kind": "arxiv",
    "version": 2
  }
}