Pith Number

pith:Q3CROSNM

pith:2026:Q3CROSNMFLUUC6WQBGYQW2NURQ

not attested not anchored not stored refs pending

Cognitive Episodes in LLM Reasoning Traces Enable Interpretable Human Item Difficulty Prediction

Chenguang Wang, Dawei Zhou, Hong Jiao, Ming Li, Tianyi Zhou, Xinyue Zeng, Zhuochun Li

arxiv:2606.28186 v1 · 2026-06-26 · cs.CL · cs.AI · cs.CY · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q3CROSNMFLUUC6WQBGYQW2NURQ}

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	2026-06-29T01:15:08.687790Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86c51749ac2ae9417ad009b10b69b48c2a0c2c5c6593f573fe3bb04051fcac99

Aliases

arxiv: 2606.28186 · arxiv_version: 2606.28186v1 · doi: 10.48550/arxiv.2606.28186 · pith_short_12: Q3CROSNMFLUU · pith_short_16: Q3CROSNMFLUUC6WQ · pith_short_8: Q3CROSNM

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/Q3CROSNMFLUUC6WQBGYQW2NURQ \
  | 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: 86c51749ac2ae9417ad009b10b69b48c2a0c2c5c6593f573fe3bb04051fcac99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77fe833e03e9352962c153d095dfd8ba22c74473b8b3b0ede17819ab8e240eda",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CY",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-06-26T15:32:17Z",
    "title_canon_sha256": "d2cb0b19721e398219547dfb0ca4f3b7d569f2cab60162ddb8572d195757cc72"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.28186",
    "kind": "arxiv",
    "version": 1
  }
}