Pith Number

pith:QWLZVXVV

pith:2025:QWLZVXVV7HB66O4K2QLLOW7KQQ

not attested not anchored not stored refs pending

A Unified LLM-Adaptable Framework for Cold-Start Cognitive Diagnosis

Chentao Song, Jian Zhang, Jun Liu, Tianyu Qi, Weiping Fu, Yu He, Zihan Yao

arxiv:2505.21239 v2 · 2025-05-27 · 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{QWLZVXVV7HB66O4K2QLLOW7KQQ}

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	2026-06-09T01:05:06.786145Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85979adeb5f9c3ef3b8ad416b75bea841ed60c03dbce557d9a3d895972dd3392

Aliases

arxiv: 2505.21239 · arxiv_version: 2505.21239v2 · doi: 10.48550/arxiv.2505.21239 · pith_short_12: QWLZVXVV7HB6 · pith_short_16: QWLZVXVV7HB66O4K · pith_short_8: QWLZVXVV

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/QWLZVXVV7HB66O4K2QLLOW7KQQ \
  | 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: 85979adeb5f9c3ef3b8ad416b75bea841ed60c03dbce557d9a3d895972dd3392

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b44a1b79598fde7ee874ce62b0c95ab38cc1f44b636ad6cd2bb2880cc4eccf8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-05-27T14:19:35Z",
    "title_canon_sha256": "40bd62d0857ed30339c89e2812aa941ef6dd6335f2626d9cb919cd9b8dcc406e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.21239",
    "kind": "arxiv",
    "version": 2
  }
}