Pith Number

pith:ZD2W3HTM

pith:2026:ZD2W3HTMSWKDVLFLOX3QUZQY4X

not attested not anchored not stored refs pending

PEARL: Training Socratic Tutors with Pedagogically Aligned Reinforcement Learning

Jianshu Zhang, Jun Du, Linbo Chen, Pengfei Hu, Qikai Chang, Youhui Guo, Zhenrong Zhang

arxiv:2605.29582 v1 · 2026-05-28 · cs.LG · 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{ZD2W3HTMSWKDVLFLOX3QUZQY4X}

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	2026-05-29T01:05:48.893747Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8f56d9e6c95943aacab75f70a6618e5d291a789e82a1f77064b7d0ec80b9e5b

Aliases

arxiv: 2605.29582 · arxiv_version: 2605.29582v1 · doi: 10.48550/arxiv.2605.29582 · pith_short_12: ZD2W3HTMSWKD · pith_short_16: ZD2W3HTMSWKDVLFL · pith_short_8: ZD2W3HTM

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/ZD2W3HTMSWKDVLFLOX3QUZQY4X \
  | 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: c8f56d9e6c95943aacab75f70a6618e5d291a789e82a1f77064b7d0ec80b9e5b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a067a9e4dc4f6068e56711e938457779b112946b82306571b96e85b5ed9ed00",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-28T08:25:08Z",
    "title_canon_sha256": "f5785fa21e1926b100046aa893001a0f817a5b5ec8c98631c137f1b740bc0782"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.29582",
    "kind": "arxiv",
    "version": 1
  }
}