Pith Number

pith:RF2QCQSY

pith:2024:RF2QCQSYN6J7VOAASIWVCLLGU2

not attested not anchored not stored refs pending

ORCDF: An Oversmoothing-Resistant Cognitive Diagnosis Framework for Student Learning in Online Education Systems

Aimin Zhou, Bingdong Li, Hong Qian, Mingjia Li, Shuo Liu, Zhi Liu

arxiv:2407.17476 v1 · 2024-06-28 · cs.CY · 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{RF2QCQSYN6J7VOAASIWVCLLGU2}

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	2026-07-05T08:48:16.412150Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

89750142586f93fab800922d512d66a69fa23cab30000c77bb899f7b88a2e0ab

Aliases

arxiv: 2407.17476 · arxiv_version: 2407.17476v1 · doi: 10.48550/arxiv.2407.17476 · pith_short_12: RF2QCQSYN6J7 · pith_short_16: RF2QCQSYN6J7VOAA · pith_short_8: RF2QCQSY

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/RF2QCQSYN6J7VOAASIWVCLLGU2 \
  | 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: 89750142586f93fab800922d512d66a69fa23cab30000c77bb899f7b88a2e0ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04d4def613d4d8a49b5a0b23ee01e00fe5caa6ccc96bcf996ec709ecb363a964",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2024-06-28T16:42:53Z",
    "title_canon_sha256": "0e8303333cf30bd4db1f39225070c88d1b6663e33e1ee69b84b1ce1c7cdda406"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2407.17476",
    "kind": "arxiv",
    "version": 1
  }
}