Pith Number

pith:KSLKFI5M

pith:2025:KSLKFI5MWRAF33NSKGDFWDSY4B

not attested not anchored not stored refs pending

A Hierarchical Probabilistic Framework for Incremental Knowledge Tracing in Classroom Settings

Kaizhi Qian, Qiucheng Wu, Shiyu Chang, Xinyi Gao, Xuechen Liu, Yang Zhang, Ying Xu

arxiv:2506.09393 v1 · 2025-06-11 · 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{KSLKFI5MWRAF33NSKGDFWDSY4B}

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	2026-07-05T11:19:36.349494Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5496a2a3acb4405dedb251865b0e58e0487ed416eb27fd3c5076019693433a86

Aliases

arxiv: 2506.09393 · arxiv_version: 2506.09393v1 · doi: 10.48550/arxiv.2506.09393 · pith_short_12: KSLKFI5MWRAF · pith_short_16: KSLKFI5MWRAF33NS · pith_short_8: KSLKFI5M

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/KSLKFI5MWRAF33NSKGDFWDSY4B \
  | 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: 5496a2a3acb4405dedb251865b0e58e0487ed416eb27fd3c5076019693433a86

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae2455be85159b66e68e1f6deca170971bfd0080fa6b2d36da2155c557d567cd",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-06-11T04:49:02Z",
    "title_canon_sha256": "9e023fc4e5ef2f3459efbc06abd7790dbe8b5ad9f0a487c1c240afa2b89e8450"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.09393",
    "kind": "arxiv",
    "version": 1
  }
}