Pith Number

pith:GRJRLXW7

pith:2026:GRJRLXW7LEEG3JLCCOZ7GY7GV6

not attested not anchored not stored refs pending

Disentangling Knowledge States with Ability and Proficiency Modeling for Knowledge Tracing

Duantengchuan Li, Jinsong Chen, Mingwen Tong, Rui Zhang, Yingqian Bi

arxiv:2607.13103 v1 · 2026-07-14 · cs.LG · 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{GRJRLXW7LEEG3JLCCOZ7GY7GV6}

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	2026-07-16T00:21:56.641471Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

345315dedf59086da56213b3f363e6af84dd35ae72573dabee398bd88f54b6cc

Aliases

arxiv: 2607.13103 · arxiv_version: 2607.13103v1 · doi: 10.48550/arxiv.2607.13103 · pith_short_12: GRJRLXW7LEEG · pith_short_16: GRJRLXW7LEEG3JLC · pith_short_8: GRJRLXW7

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/GRJRLXW7LEEG3JLCCOZ7GY7GV6 \
  | 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: 345315dedf59086da56213b3f363e6af84dd35ae72573dabee398bd88f54b6cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e0a729be45307f13a36cbd3368f954f5de0bcf5a53075f20aa8d4ecd982df18",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-07-14T09:11:59Z",
    "title_canon_sha256": "fa01eeab7e340c14a2b5ba3457ced3cdedb31139ae0c1af69281de6932bcdaa2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.13103",
    "kind": "arxiv",
    "version": 1
  }
}